锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#31934;&#21697;&#20037;&#20037;&#20037;&#20037;&#20037;&#20122;&#27954;&#31934;&#21697;&#44;&#20037;&#20037;&#20037;&#20037;&#40657;&#20154;&#24378;&#20262;&#23015;&#20154;&#22971;&#44;&#20037;&#20037;&#20037;&#57;&#49;&#31934;&#21697;&#22269;&#20135;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;&#13;</title><link>http://www.shnenglu.com/bookheart/</link><description /><language>zh-cn</language><lastBuildDate>Wed, 07 May 2025 04:36:53 GMT</lastBuildDate><pubDate>Wed, 07 May 2025 04:36:53 GMT</pubDate><ttl>60</ttl><item><title>浣跨敤autotool鍦╨inux緙栬瘧c++宸ョ▼</title><link>http://www.shnenglu.com/bookheart/archive/2013/04/01/199014.html</link><dc:creator>鑿滈笩鎯沖椋?/dc:creator><author>鑿滈笩鎯沖椋?/author><pubDate>Mon, 01 Apr 2013 07:53:00 GMT</pubDate><guid>http://www.shnenglu.com/bookheart/archive/2013/04/01/199014.html</guid><wfw:comment>http://www.shnenglu.com/bookheart/comments/199014.html</wfw:comment><comments>http://www.shnenglu.com/bookheart/archive/2013/04/01/199014.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/bookheart/comments/commentRss/199014.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/bookheart/services/trackbacks/199014.html</trackback:ping><description><![CDATA[1.寤虹珛涓�涓洰褰?<br />&nbsp;mkidr test<br />2.寤虹珛涓�涓祴璇曟枃浠?br />vi main.cpp<br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />-->&nbsp;&nbsp;1&nbsp;#include&nbsp;&lt;iostream&gt;<br />&nbsp;&nbsp;2&nbsp;<br />&nbsp;&nbsp;3&nbsp;<span style="color: #0000FF; ">int</span>&nbsp;main(<span style="color: #0000FF; ">int</span>&nbsp;argc,&nbsp;<span style="color: #0000FF; ">char</span>*&nbsp;agrv[])<br />&nbsp;&nbsp;4&nbsp;{<br />&nbsp;&nbsp;5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;std::cout&nbsp;&lt;&lt;&nbsp;"hello!"&nbsp;&lt;&lt;&nbsp;std::endl;<br />&nbsp;&nbsp;6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #0000FF; ">return</span>&nbsp;0;<br />&nbsp;&nbsp;7&nbsp;}</div>3.鍒涘緩configure.ac鏂囦歡<br />autoscan<br />鎻愮ずconfigure.ac涓嶅瓨鍦紝浣嗘槸浼氱敓鎴愪竴涓猚onfigure.scan<br />mv configure.scan configure.ac<br />vi&nbsp;configure.ac淇敼涓哄涓?br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />-->&nbsp;&nbsp;1&nbsp;#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-*-&nbsp;Autoconf&nbsp;-*-<br />&nbsp;&nbsp;2&nbsp;#&nbsp;Process&nbsp;<span style="color: #0000FF; ">this</span>&nbsp;file&nbsp;with&nbsp;autoconf&nbsp;to&nbsp;produce&nbsp;a&nbsp;configure&nbsp;script.<br />&nbsp;&nbsp;3&nbsp;<br />&nbsp;&nbsp;4&nbsp;AC_PREREQ(2.59)<br />&nbsp;&nbsp;5&nbsp;AC_INIT([loki],&nbsp;[1.0],&nbsp;[])<br />&nbsp;&nbsp;6&nbsp;AM_INIT_AUTOMAKE<br />&nbsp;&nbsp;7&nbsp;AC_CONFIG_SRCDIR([main.cpp])<br />&nbsp;&nbsp;8&nbsp;AC_CONFIG_HEADER([config.h])<br />&nbsp;&nbsp;9&nbsp;AC_CONFIG_FILES([Makefile])<br />&nbsp;10&nbsp;<br />&nbsp;11&nbsp;#&nbsp;Checks&nbsp;<span style="color: #0000FF; ">for</span>&nbsp;programs.<br />&nbsp;12&nbsp;AC_PROG_CXX<br />&nbsp;13&nbsp;<br />&nbsp;14&nbsp;#&nbsp;Checks&nbsp;<span style="color: #0000FF; ">for</span>&nbsp;libraries.<br />&nbsp;15&nbsp;<br />&nbsp;16&nbsp;#&nbsp;Checks&nbsp;<span style="color: #0000FF; ">for</span>&nbsp;header&nbsp;files.<br />&nbsp;17&nbsp;<br />&nbsp;18&nbsp;#&nbsp;Checks&nbsp;<span style="color: #0000FF; ">for</span>&nbsp;typedefs,&nbsp;structures,&nbsp;and&nbsp;compiler&nbsp;characteristics.<br />&nbsp;19&nbsp;<br />&nbsp;20&nbsp;#&nbsp;Checks&nbsp;<span style="color: #0000FF; ">for</span>&nbsp;library&nbsp;functions.<br />&nbsp;21&nbsp;AC_OUTPUT</div><div><br />4.鍒涘緩鐩稿叧鏂囦歡<br />touch AUTHORS ChangeLog NEWS README<br /><br />5.緙栧啓Makefile.am<br />vi Makefile.am<br /><div style="background-color: #eeeeee; font-size: 13px; border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%; word-break: break-all;"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />-->1&nbsp;noinst_PROGRAMS&nbsp;=&nbsp;loki<br />2&nbsp;loki_SOURCES&nbsp;=&nbsp;main.cpp</div><br />6.<br />autoreconf -i<br /><br />7.<br />./configure<br /><br />8. 閰嶇疆瀹屽伐錛屼嬌鐢╩ake鍗沖彲鐪嬪埌緙栬瘧鍑虹殑鎵ц鏂囦歡loki<br />make<br />./loki<br /><br />瑕佷簡瑙ｅ叿浣撲負浠�涔堣榪欐牱鍋氾紝璇風湅榪欑瘒鏁欑▼http://www.freesoftwaremagazine.com/books/autotools_a_guide_to_autoconf_automake_libtool<div><div></div></div></div><img src ="http://www.shnenglu.com/bookheart/aggbug/199014.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/bookheart/" target="_blank">鑿滈笩鎯沖椋?/a> 2013-04-01 15:53 <a href="http://www.shnenglu.com/bookheart/archive/2013/04/01/199014.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>琛屼負鍏嬮殕鍒涘緩浠ｇ悊</title><link>http://www.shnenglu.com/bookheart/archive/2012/05/20/161869.html</link><dc:creator>鑿滈笩鎯沖椋?/dc:creator><author>鑿滈笩鎯沖椋?/author><pubDate>Sun, 20 May 2012 05:29:00 GMT</pubDate><guid>http://www.shnenglu.com/bookheart/archive/2012/05/20/161869.html</guid><wfw:comment>http://www.shnenglu.com/bookheart/comments/161869.html</wfw:comment><comments>http://www.shnenglu.com/bookheart/archive/2012/05/20/161869.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.shnenglu.com/bookheart/comments/commentRss/161869.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/bookheart/services/trackbacks/161869.html</trackback:ping><description><![CDATA[<div><span style="font-size: 14px; line-height: 23px; "><p><font class="Apple-style-span" face="瀹嬩綋">榪欎釜<span id="tbvfvzb"    class="Apple-style-span" style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">銆婄簿綺?/span>7<span style="font-family: 瀹嬩綋; ">銆嬮噷闈竴涓狝I璁捐鐨勪緥瀛愶紝鏂瑰紡鏄敤琛屼負鍏嬮殕鍒涘緩浠ｇ悊銆傘�?/span></span></font><font class="Apple-style-span" face="瀹嬩綋">綺劇補</font><font class="Apple-style-span" face="'lucida Grande', Verdana">7</font><span style="font-family: 瀹嬩綋; ">銆嬩笂鐨勬弿榪板疄鍦ㄦ槸澶矖鐣ワ紝寰堝涓滆タ閮芥病鎻愬強銆傝姳浜嗕竴鏄熸湡鐨勯棽紕庢椂闂村幓鐪嬭繖涓緥瀛愶紝鎰熻鎸烘湁鏀惰幏鐨勶紝鏁寸悊浜嗕竴涓嬪涔犲績寰楋紝甯屾湜鑳界粰璺熸垜涓�鏍風殑鑿滈笩浠甫鏉ヤ竴鐐瑰府鍔┿�傝繖涓緥瀛愪唬鐮佷笉澶氾紝浣嗘槸姘存尯娣辯殑銆傛秹鍙婁簡</span><font class="Apple-style-span" face="'lucida Grande', Verdana">lua,&nbsp;</font><span style="font-family: 瀹嬩綋; ">浠垮嚱鏁幫紝鍐崇瓥鏍戯紝淇℃伅璁?/span><font class="Apple-style-span" face="'lucida Grande', Verdana">,&nbsp;</font><span style="font-family: 瀹嬩綋; ">澶у爢寰幆閫掑綊絳夋儏鍐點�?/span><span id="brjvbvp"    class="Apple-style-span" style="font-family: 'lucida Grande', Verdana; ">&nbsp;</span></p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">榪欎釜</span>DEMO<span style="font-family: 瀹嬩綋; ">瀹炵幇浜嗕竴涓鏈哄鎴樺皠鍑誨皬娓告垙錛岀數鑴戞帶鍒墮偅涓鏈?/span><span style="font-family: 瀹嬩綋; ">浼氬涔犱綘鐨勮涓鴻繘琛屾ā浠褲�?/span></p><h1 style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">欏圭洰榪愯</span></h1><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">棣栧厛錛屽厛鎶婇」鐩窇璧鋒潵鍐嶈銆傛垜鐨?/span>IDE<span style="font-family: 瀹嬩綋; ">鏄?/span>VS2008</p><p style="font-family: 'lucida Grande', Verdana; ">1.&nbsp;<span style="font-family: 瀹嬩綋; ">閰嶇疆濂?/span>openGL<span style="font-family: 瀹嬩綋; ">鍜?/span>&nbsp;lua<span style="font-family: 瀹嬩綋; ">鐜銆傝繖閲屼笉緇嗚浜嗭紝璇峰弬鑰冪綉涓婅祫鏂?/span></p><p style="font-family: 'lucida Grande', Verdana; ">2. 閰嶇疆AI銆?span style="font-family: 瀹嬩綋; ">鎵撳紑欏圭洰宸ョ▼錛岃緗?/span>AIShoote<span style="font-family: 瀹嬩綋; ">涓哄惎鍔ㄩ」錛屽湪</span><a name="OLE_LINK1" style="outline-style: none; outline-width: initial; outline-color: initial; text-decoration: none; cursor: pointer; color: #4e5d80; ">AIShoote</a>r<span style="font-family: 瀹嬩綋; ">宸ョ▼</span>---<span style="font-family: 瀹嬩綋; ">灞炴�?/span>---<span style="font-family: 瀹嬩綋; ">閰嶇疆灞炴�?/span>---<span style="font-family: 瀹嬩綋; ">璋冭瘯</span>---<span style="font-family: 瀹嬩綋; ">鍛戒護鍙傛暟涓～涓?/span>&nbsp;agent.lua<span style="font-family: 瀹嬩綋; ">銆?/span>(<span style="font-family: 瀹嬩綋; ">榪欎釜鏄粯璁ょ殑鍐崇瓥鏍戠殑鑴氭湰</span>),褰撶劧浜嗚繖涓枃浠惰鏀劇疆鍦ㄤ綘鐨勯」鐩伐紼嬮噷銆?/p><p style="font-family: 'lucida Grande', Verdana; ">3. <span style="font-family: 瀹嬩綋; ">緙栬瘧錛岃繍琛屻�傛帶鍒朵綘鐨勯鏈鴻窡瀵規墜鎵撲竴鏋跺惂錛岀粡榪囨暟鍒嗛挓鐨勬悘鏂楋紝浣犵粓浜庢垬鑳滀簡鏈哄櫒浜恒�傚叧鎺夌獥鍙ｏ紝鍚庡彴浼氱敓鎴愪竴涓暟鎹粺璁¤〃鍙?/span>training_data_xxx.dat<span style="font-family: 瀹嬩綋; ">鏂囦歡銆傝繖涓笢涓滄槸鐢ㄦ潵鍚庨潰鐢熸垚鍐崇瓥鏍戣剼鏈敤鐨勩�?/span></p><p style="font-family: 'lucida Grande', Verdana; ">4.&nbsp;<span style="font-family: 瀹嬩綋; ">鐜板湪寮�濮嬭繘琛岀敓鎴愬喅絳栨爲錛岃繖璇炬墍璋撶殑鏍戝氨瀛樻斁涓�涓猯ua鏂囦歡涓�傝緗?/span>Learn<span style="font-family: 瀹嬩綋; ">涓哄惎鍔ㄩ」</span>,&nbsp;<span style="font-family: 瀹嬩綋; ">鍦?/span>Learn<span style="font-family: 瀹嬩綋; ">宸ョ▼</span>---<span style="font-family: 瀹嬩綋; ">灞炴�?/span>---<span style="font-family: 瀹嬩綋; ">閰嶇疆灞炴�?/span>---<span style="font-family: 瀹嬩綋; ">璋冭瘯</span>---<span style="font-family: 瀹嬩綋; ">鍛戒護鍙傛暟涓～涓?<br /></span>-s 1&nbsp;<a name="OLE_LINK2" style="outline-style: none; outline-width: initial; outline-color: initial; text-decoration: none; cursor: pointer; color: #4e5d80; ">training_data_xxx.dat</a>&nbsp;2.lua, 璇存槑錛?-s&nbsp;<span style="font-family: 瀹嬩綋; ">鏄煩榪囨鏁幫紝</span>&nbsp;dat<span style="font-family: 瀹嬩綋; ">鏂囦歡鏄笂涓�姝ラ浜у嚭鐨勬暟鎹紝</span>2.lua<span style="font-family: 瀹嬩綋; ">鏄痩ua鏂囦歡鍚嶃�傝緗ソ浜嗚繍琛岋紝灝辯瓑鍚э紝絳夊緟鐨勬椂闂磋鍑犲垎閽熴�傜劧鍚庢彁紺轟綘lua鏂囦歡鐢熸垚瀹屾瘯銆?/span></p><p><font class="Apple-style-span" face="'lucida Grande', Verdana">5.&nbsp;</font><span style="font-family: 瀹嬩綋; ">鍥炲埌</span><font class="Apple-style-span" face="'lucida Grande', Verdana">姝ラ2</font><span style="font-family: 瀹嬩綋; ">錛屾妸鍙傛暟鏀規垚</span><font class="Apple-style-span" face="'lucida Grande', Verdana">2.lua</font><span style="font-family: 瀹嬩綋; ">錛屽啀緙栬瘧錛岃繍琛岋紝榪欐椂鍊?浠旂粏瑙傚療錛屾槸涓嶆槸鍙戠幇鐢佃剳鎺у埗鐨勯鏈鴻涓鴻窡浣犳搷鎺у緢鍍忓憖銆傚樆鍢伙紝鏈夌偣鎰忔�濆惂銆?/span></p><h1 style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鍔熻兘鍒嗘瀽</span></h1><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鍚勪釜妯″潡鐨勫姛鑳?/span></p><p style="font-family: 'lucida Grande', Verdana; ">AIShooter<span style="font-family: 瀹嬩綋; ">錛氱敤</span>openGL<span style="font-family: 瀹嬩綋; ">娓叉煋鎴樻枟鍦烘櫙錛岀帺瀹墮敭鐩樿緭鍏ユ嫻?/span>,&nbsp;<span style="font-family: 瀹嬩綋; ">浣跨敤鍐崇瓥鏍戣剼鏈帶鍒舵満鍣ㄤ漢琛屼負</span>,&nbsp;<span style="font-family: 瀹嬩綋; ">璁板綍鐜╁琛屼負鏁版嵁銆?/span></p><p style="font-family: 'lucida Grande', Verdana; ">DecisionTree<span style="font-family: 瀹嬩綋; ">錛?/span>&nbsp;<span style="font-family: 瀹嬩綋; ">鏍稿績綆楁硶錛屾牴鎹帺瀹惰涓烘暟鎹敓鎴愬喅絳栨爲銆?/span></p><p style="font-family: 'lucida Grande', Verdana; ">Learn:&nbsp;<span style="font-family: 瀹嬩綋; ">浣跨敤</span>DecisionTree<span style="font-family: 瀹嬩綋; ">鎻愪緵鐨勬帴鍙ｅ嚱鏁扮敓鎴愬喅絳栨爲</span>,<span style="font-family: 瀹嬩綋; ">騫舵妸鍐崇瓥鏍戠敓鎴愯剼鏈唬鐮併�?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><h1 style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鍐崇瓥鏍戠殑浣跨敤鍜屽疄鐜?/span></h1><h2 style="font-family: 'lucida Grande', Verdana; ">lua&nbsp;<span style="font-family: 榛戜綋; ">涓?/span>&nbsp;c++<span style="font-family: 榛戜綋; ">浜や簰</span>:</h2><p align="left" style="text-align: left; font-family: 'lucida Grande', Verdana; ">C++<span style="font-family: 瀹嬩綋; ">鍒涘緩</span>lua<span style="font-family: 瀹嬩綋; ">鐨勮〃瀵硅薄錛屽茍浼犻�掔被鎸囬拡鍜屽嚱鏁版寚閽堢粰瀹冿紝榪欐牱</span>lua<span style="font-family: 瀹嬩綋; ">灝卞彲浠ヨ皟鐢ㄥ埌</span>c++<span style="font-family: 瀹嬩綋; ">鐨勫嚱鏁?/span></p><p style="font-family: 'lucida Grande', Verdana; ">Agent<span style="font-family: 瀹嬩綋; ">綾誨湪</span>init()<span style="font-family: 瀹嬩綋; ">涓?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;lua_newtable (mLua);//</span><span style="font-family: 瀹嬩綋; ">鍒涘緩琛ㄥ璞?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;lua_pushlightuserdata (mLua, this);//&nbsp;</span><span style="font-family: 瀹嬩綋; ">灝嗕竴涓唬琛?/span>C<span style="font-family: 瀹嬩綋; ">鎸囬拡鐨勫�兼斁鍒版爤</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;lua_pushcclosure (mLua, Agent::setup_addInterval, 1);//&nbsp;</span><span style="font-family: 瀹嬩綋; ">鎶婁竴涓柊鐨?/span>&nbsp;C closure&nbsp;<span style="font-family: 瀹嬩綋; ">鍘嬪叆鍫嗘爤銆?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;lua_setfield (mLua, -2, "addInterval");</span><span style="font-family: 瀹嬩綋; ">浠?/span>addInterval<span style="font-family: 瀹嬩綋; ">涓洪敭鍊兼敞鍐屽埌琛ㄤ腑</span></p><p style="text-indent: 21.75pt; font-family: 'lucida Grande', Verdana; ">lua_setglobal (mLua, "AIShooter");//<span style="font-family: 瀹嬩綋; ">璁劇疆琛ㄥ悕</span></p><p style="text-indent: 21.75pt; font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">1.<span style="font-family: 瀹嬩綋; ">鍒涘緩</span>lua<span style="font-family: 瀹嬩綋; ">琛?/span>AIShootert&nbsp;<span style="font-family: 瀹嬩綋; ">璁劇疆欏?/span>addInterval&lt;-&gt;setup_addInterval.</p><p style="font-family: 'lucida Grande', Verdana; ">2.<span style="font-family: 瀹嬩綋; ">鍒涘緩</span>lua<span style="font-family: 瀹嬩綋; ">琛ㄥ璞?/span>Agent,&nbsp;<span style="font-family: 瀹嬩綋; ">璁劇疆欏?/span>accel&lt;-&gt;agent_accel turn&lt;-&gt;agent_turn fire&lt;-&gt;agent_fire</p><p style="font-family: 'lucida Grande', Verdana; ">3.<span style="font-family: 瀹嬩綋; ">鍒涘緩</span>lua<span style="font-family: 瀹嬩綋; ">琛ㄥ璞?/span>GameState&nbsp;<span style="font-family: 瀹嬩綋; ">璁劇疆欏瑰湪</span>act()<span style="font-family: 瀹嬩綋; ">涓姩鎬佽緗?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">澶勭悊榪囩▼</span>:</p><p style="margin-left: 18pt; text-indent: -18pt; font-family: 'lucida Grande', Verdana; "><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style="font-family: 瀹嬩綋; ">涓�寮�濮嬭皟鐢?/span>lua<span style="font-family: 瀹嬩綋; ">鍑芥暟</span>setupFeatureMap&nbsp;<span style="font-family: 瀹嬩綋; ">璇誨彇鏁版嵁錛岀劧鍚庨�氳繃</span>&nbsp;AIShooter.addInterval<span style="font-family: 瀹嬩綋; ">鍥炶皟</span></p><p style="margin-left: 18pt; text-indent: -18pt; font-family: 'lucida Grande', Verdana; "><span>1.</span></p><p style="font-family: 'lucida Grande', Verdana; ">C++<span style="font-family: 瀹嬩綋; ">鍑芥暟</span>setup_addInterval<span style="font-family: 瀹嬩綋; ">榪涜鏁版嵁浼犲叆</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">2.&nbsp;<span style="font-family: 瀹嬩綋; ">娓告垙涓殑</span>act()<span style="font-family: 瀹嬩綋; ">錛岄�氳繃瀵硅〃</span>GameState<span style="font-family: 瀹嬩綋; ">瀹炴椂浼犲叆鏁版嵁錛岀劧鍚庤皟鐢?/span>lua<span style="font-family: 瀹嬩綋; ">鐨?/span>accelTree<span style="font-family: 瀹嬩綋; ">鏍規嵁</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">GameState<span style="font-family: 瀹嬩綋; ">鐨勬暟鎹繘琛岄�昏緫澶勭悊</span>,<span style="font-family: 瀹嬩綋; ">澶勭悊緇撴灉閫氳繃璋冪敤</span>Agent.accel<span style="font-family: 瀹嬩綋; ">浠ュ弬鏁板艦寮忎紶鍒?/span>C++<span style="font-family: 瀹嬩綋; ">鍑芥暟</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">agent_accel<span style="font-family: 瀹嬩綋; ">涓紝</span>&nbsp;<span style="font-family: 瀹嬩綋; ">鍙﹀涓や釜涔熺被浼?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鍐崇瓥鏍戠殑浣跨敤錛?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;</span><span style="font-family: 瀹嬩綋; ">鍒濆鍖栫殑鏃跺�欙紝閫氳繃榪欐牱鍒掑畾浜嗘瘡涓涓虹殑鐗瑰緛鑼冨洿浠ュ強瀵瑰簲鐗瑰緛鍊?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;AIShooter.addInterval ("opp_distance", 0, 0.0, 0.05);</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;</span><span style="font-family: 瀹嬩綋; ">榪欎簺鏁版嵁瀛樻斁鍦?/span>mFeatureMap<span style="font-family: 瀹嬩綋; ">涓?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;</span><span style="font-family: 瀹嬩綋; ">鍦?/span>updata<span style="font-family: 瀹嬩綋; ">涓疄鏃朵紶鍥炲綋鍓嶇姸鎬佹暟鎹紝</span>mFeatureMap<span style="font-family: 瀹嬩綋; ">鏍規嵁鑼冨洿鏉ュ彇浠栦滑瀵瑰簲鐨勭壒寰佸�?/span>,<span style="font-family: 瀹嬩綋; ">榪欎簺鐗瑰緛璁劇疆鍒?/span>GameState<span style="font-family: 瀹嬩綋; ">涓?/span>,<span style="font-family: 瀹嬩綋; ">鐒跺悗鍐嶆牴鎹剼鏈腑鐨勫喅絳栨爲榪涜閫昏緫鍒ゆ柇銆傜粨鏋滃啀榪斿洖</span>c++<span style="font-family: 瀹嬩綋; ">鐩稿叧鐨勬帴鍙ｄ腑</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">// Game state<span>&nbsp; &nbsp;</span></p><p style="font-family: 'lucida Grande', Verdana; ">std::queue&lt;DataSet::raw_row_t&gt; mStateQueue;</p><p style="font-family: 'lucida Grande', Verdana; ">typedef std::map&lt;std::string, float&gt; raw_row_t</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">// Training state</p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp; &nbsp;</span></p><p style="font-family: 'lucida Grande', Verdana; ">FeatureMap mFeatureMap; //<span style="font-family: 瀹嬩綋; ">鏁版嵁綆＄悊綾?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">綾諱腑綾昏璁?/span></p><p style="font-family: 'lucida Grande', Verdana; ">Feature&nbsp;<span style="font-family: 瀹嬩綋; ">鍩虹被</span></p><p style="font-family: 'lucida Grande', Verdana; ">NominalFeature</p><p style="font-family: 'lucida Grande', Verdana; ">ContinuousFeature&nbsp;<span style="font-family: 瀹嬩綋; ">媧劇敓綾?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">std::map &lt;std::string, Feature*&gt; mFeatures;</p><p style="font-family: 'lucida Grande', Verdana; ">FeatureMap<span style="font-family: 瀹嬩綋; ">鎻愪緵瀵瑰鐨勬帴鍙ｅ啀鍏蜂綋璋冨叿浣撶殑媧劇敓綾?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">ContinuousFeature</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鏈変竴涓暟鎹被鍨?/span></p><p style="font-family: 'lucida Grande', Verdana; ">typedef std::map&lt;int, std::pair&lt;float, float&gt; &gt; interval_t</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鎵�浠ョ殑鎿嶄綔閮芥槸瀵瑰叾榪涜</span></p><p style="font-family: 'lucida Grande', Verdana; ">1.<span style="font-family: 瀹嬩綋; ">娣誨姞鏁版嵁</span></p><p style="font-family: 'lucida Grande', Verdana; ">2.<span style="font-family: 瀹嬩綋; ">榪斿洖鏌ユ壘鐨勫�?/span></p><p style="font-family: 'lucida Grande', Verdana; ">3.<span style="font-family: 瀹嬩綋; ">淇濆瓨鏂囦歡鍜岃鍙栨枃浠?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">DataSet mTrainingData;&nbsp;<span style="font-family: 瀹嬩綋; ">浠垮嚱鏁扮殑瀹炴垬鏁欑▼</span></p><p style="font-family: 'lucida Grande', Verdana; ">for_each&nbsp;<span style="font-family: 瀹嬩綋; ">鍜?/span>&nbsp;transform</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">浠垮嚱鏁扮殑鍏抽敭</span></p><p style="font-family: 'lucida Grande', Verdana; ">template&lt; typename _t &gt;</p><p style="font-family: 'lucida Grande', Verdana; ">class cfun</p><p style="font-family: 'lucida Grande', Verdana; ">{</p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;operator () ( _t value )</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;{</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;do some thing&nbsp;</span><span style="font-family: 瀹嬩綋; ">緇欓亶鍘嗙敤鐨?/span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;}</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;operator int() const&nbsp;</span><span style="font-family: 瀹嬩綋; ">榪欎釜鏄繑鍥炴暣褰紝鍏朵粬綾誨瀷鏍規嵁闇�瑕佸畾</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;{</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;</span><span style="font-family: 瀹嬩綋; ">緇欒繑鍥炲�肩敤</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;}</span></p><p style="font-family: 'lucida Grande', Verdana; ">}</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鏁板</span>:<span>&nbsp;&nbsp;log2(N)&nbsp;</span><span style="font-family: 瀹嬩綋; ">鍦ㄤ唬鐮佷腑榪欐牱鑾峰彇</span>&nbsp;log10(N)/log10(2)</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鍐崇瓥鏍戠殑鐢熸垚</span></p><p style="font-family: 'lucida Grande', Verdana; ">ID3<span style="font-family: 瀹嬩綋; ">綆楁硶錛氫粠涓�緋誨垪緇熻鏁版嵁涓緱鍒板叧閿睘鎬э紝騫惰繘琛屽垎綾匯�傞噸瑕佹蹇墊槸鐔靛拰淇℃伅澧炵泭</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p align="left" style="margin-bottom: 9pt; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">浠?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; "><a  target="_blank" style="outline-style: none; outline-width: initial; outline-color: initial; text-decoration: underline; cursor: pointer; color: #4e5d80; "><span style="font-family: 瀹嬩綋; color: #3d81ee; text-decoration: none; ">淇℃伅璁?/span></a></span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鐭ヨ瘑涓垜浠洿鍒幫紝鏈熸湜淇℃伅瓚婂皬錛?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; "><a  target="_blank" style="outline-style: none; outline-width: initial; outline-color: initial; text-decoration: underline; cursor: pointer; color: #4e5d80; "><span style="font-family: 瀹嬩綋; color: #3d81ee; text-decoration: none; ">淇℃伅澧炵泭</span></a></span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">瓚婂ぇ錛屼粠鑰岀函搴﹁秺楂樸�傛墍浠?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">ID3</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">綆楁硶鐨勬牳蹇冩�濇兂灝辨槸浠ヤ俊鎭鐩婂害閲忓睘鎬ч�夋嫨錛岄�夋嫨鍒嗚鍚庝俊鎭鐩婃渶澶х殑灞炴�ц繘琛屽垎瑁傘�備笅闈㈠厛瀹氫箟鍑犱釜瑕佺敤鍒扮殑姒傚康銆?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">璁?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">D</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">涓虹敤綾誨埆瀵硅緇冨厓緇勮繘琛岀殑鍒掑垎錛屽垯</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">D</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鐨?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; "><a  target="_blank" style="outline-style: none; outline-width: initial; outline-color: initial; text-decoration: underline; cursor: pointer; color: #4e5d80; "><span style="font-family: 瀹嬩綋; color: #3d81ee; text-decoration: none; ">鐔?/span></a></span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">錛?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">entropy</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">錛夎〃紺轟負錛?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp; &nbsp;&nbsp;</span><span id="bhvxrrz"    class="Apple-style-span" style="color: #333333; font-family: Georgia, 'Times New Roman', Times, san-serif; "><img title="info(D)=-\sum ^m_{i=1}p_ilog_2(p_i)" src="http://latex.codecogs.com/gif.latex?info(D)=-\sum%20^m_{i=1}p_ilog_2(p_i)" alt="" style="border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; " /></span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍏朵腑</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">pi</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">琛ㄧず絎?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">i</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">涓被鍒湪鏁翠釜璁粌鍏冪粍涓嚭鐜扮殑姒傜巼錛屽彲浠ョ敤灞炰簬姝ょ被鍒厓绱犵殑鏁伴噺闄や互璁粌鍏冪粍鍏冪礌鎬繪暟閲忎綔涓轟及璁°�傜喌鐨勫疄闄呮剰涔夎〃紺烘槸</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">D</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">涓厓緇勭殑綾繪爣鍙鋒墍闇�瑕佺殑騫沖潎淇℃伅閲忋�?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鐜板湪鎴戜滑鍋囪灝嗚緇冨厓緇?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">D</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鎸夊睘鎬?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">A</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">榪涜鍒掑垎錛屽垯</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">A</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">瀵?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">D</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍒掑垎鐨勬湡鏈涗俊鎭負錛?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp; &nbsp;&nbsp;</span><span id="xxtdldp"    class="Apple-style-span" style="color: #333333; font-family: Georgia, 'Times New Roman', Times, san-serif; "><img title="info_A(D)=\sum ^v_{j=1}\frac{|D_j|}{|D|}info(D_j)" src="http://latex.codecogs.com/gif.latex?info_A(D)=\sum%20^v_{j=1}\frac{|D_j|}{|D|}info(D_j)" alt="" style="border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; " /></span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鑰屼俊鎭鐩婂嵆涓轟袱鑰呯殑宸�鹼細</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp; &nbsp;&nbsp;</span><span id="rdnrdtj"    class="Apple-style-span" style="color: #333333; font-family: Georgia, 'Times New Roman', Times, san-serif; "><img title="gain(A)=info(D)-info_A(D)" src="http://latex.codecogs.com/gif.latex?gain(A)=info(D)-info_A(D)" alt="" style="border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; " /></span></p><p align="left" style="margin-top: 9pt; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp; ID3</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">綆楁硶灝辨槸鍦ㄦ瘡嬈￠渶瑕佸垎瑁傛椂錛岃綆楁瘡涓睘鎬х殑澧炵泭鐜囷紝鐒跺悗閫夋嫨澧炵泭鐜囨渶澶х殑灞炴�ц繘琛屽垎瑁?/span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">銆備笅闈㈡垜浠戶緇敤</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">SNS</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">紺懼尯涓笉鐪熷疄璐﹀彿媯�嫻嬬殑渚嬪瓙璇存槑濡備綍浣跨敤</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">ID3</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">綆楁硶鏋勯�犲喅絳栨爲銆備負浜嗙畝鍗曡搗瑙侊紝鎴戜滑鍋囪璁粌闆嗗悎鍖呭惈</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">10</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">涓厓绱狅細</span></p><p align="left" style="margin-top: 9pt; text-align: left; line-height: 25px; word-break: break-all; "><font class="Apple-style-span" color="#333333" face="Georgia"></font></p><div><font class="Apple-style-span" color="#333333" face="Georgia"><img src="http://images.cnblogs.com/cnblogs_com/leoo2sk/WindowsLiveWriter/34d255f282ae_B984/2_3.png"  alt="" /></font></div><p>&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p align="left" style="margin-bottom: 9pt; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍏朵腑</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">s</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">銆?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">m</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍜?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">l</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍒嗗埆琛ㄧず灝忋�佷腑鍜屽ぇ銆?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">璁?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">L</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">銆?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">F</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">銆?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">H</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍜?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">R</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">琛ㄧず鏃ュ織瀵嗗害銆佸ソ鍙嬪瘑搴︺�佹槸鍚︿嬌鐢ㄧ湡瀹炲ご鍍忓拰璐﹀彿鏄惁鐪熷疄錛屼笅闈㈣綆楀悇灞炴�х殑淇℃伅澧炵泭銆?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">榪欓噷鏄綆楃粨鏋滅殑鐔碉紝鍏辨湁</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">10</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">涓粨鏋?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">, 3</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">涓槸</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">no, 7</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">涓?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">yes,&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">濡傛灉緇撴灉涓嶅彧鏄紙</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">yes</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">鍜?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">no</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">涓や釜緇撴灉錛岄偅涔堝氨鎸夊涓潵綆楋紝閭ｄ釜鍊?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">M</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">絎﹀悎鐨勬剰涔夊氨鍦ㄨ繖閲岋級</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; "><font class="Apple-style-span" color="#333333" face="Georgia"></font></p><div><font class="Apple-style-span" color="#333333" face="Georgia"><span style="font-family: Georgia, 'Times New Roman', Times, san-serif; font-size: 14px; "><img title="info(D)=-0.7log_20.7-0.3log_20.3=0.7*0.51+0.3*1.74=0.879" src="http://latex.codecogs.com/gif.latex?info(D)=-0.7log_20.7-0.3log_20.3=0.7*0.51+0.3*1.74=0.879" alt="" style="border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; " /></span></font></div><p>&nbsp;</p><p style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp; &nbsp;&nbsp;</span><span id="rbpbfnt"    class="Apple-style-span" style="color: #ff6600; font-family: Georgia, 'Times New Roman', Times, san-serif; line-height: 21px; "><img title="info_L(D)=0.3*(-\frac{0}{3}log_2\frac{0}{3}-\frac{3}{3}log_2\frac{3}{3})+0.4*(-\frac{1}{4}log_2\frac{1}{4}-\frac{3}{4}log_2\frac{3}{4})+0.3*(-\frac{1}{3}log_2\frac{1}{3}-\frac{2}{3}log_2\frac{2}{3})=0+0.326+0.277=0.603" src="http://latex.codecogs.com/gif.latex?info_L(D)=0.3*(-\frac{0}{3}log_2\frac{0}{3}-\frac{3}{3}log_2\frac{3}{3})+0.4*(-\frac{1}{4}log_2\frac{1}{4}-\frac{3}{4}log_2\frac{3}{4})+0.3*(-\frac{1}{3}log_2\frac{1}{3}-\frac{2}{3}log_2\frac{2}{3})=0+0.326+0.277=0.603" alt="" style="border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; " /></span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; "></span></p><div><span style="font-family: Georgia, 'Times New Roman', Times, san-serif; font-size: 14px; "><p style="line-height: 1.8; margin-top: 12px; margin-right: auto; margin-bottom: 12px; margin-left: auto; text-indent: 0px; ">&nbsp;&nbsp; &nbsp; &nbsp;</p></span></div>鎵�浠ユ牴鎹叕寮忚緇嗙偣搴旇涓?/span><p>&nbsp;</p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;-</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">錛?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">&nbsp;7 / 10&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">錛?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">log2( 7 / 10 ) &#8211; ( 3 / 10 ) log2( 3 / 10 )</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">璁＄畻鏃ュ織鐨勭喌</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">:</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; "><font class="Apple-style-span" color="#333333" face="Georgia"><div><span style="color: #232323; font-family: verdana, Arial, Helvetica; font-size: 14px; line-height: 28px; "><img title="gain(L)=0.879-0.603=0.276" src="http://latex.codecogs.com/gif.latex?gain(L)=0.879-0.603=0.276" alt="" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; font-family: verdana, Arial, Helvetica; font-size: 12px; color: #232323; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-style: initial; border-color: initial; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; " /></span></div></font></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">璇﹁В</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">:</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">絎竴欏規槸鎸夋棩蹇?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">L</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">鍒掑垎錛屽嵆銆?/span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">&nbsp;(3 / 10) * ( - ( 0 / 3 ) log2( 0 / 3 ) &#8211; ( 3 / 3 )log2( 3 / 3 ) ),&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">榪欎釜</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">&nbsp;3 / 10&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">鏄寚</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">l</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">鍊兼湁</span><span style="line-height: 25px; font-family: Georgia; color: #ff6600; ">3</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #ff6600; ">涓?/span>&nbsp;</p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍥犳鏃ュ織瀵嗗害鐨勪俊鎭鐩婃槸</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">0.276</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">銆?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鐢ㄥ悓鏍鋒柟娉曞緱鍒?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">H</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍜?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">F</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鐨勪俊鎭鐩婂垎鍒負</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">0.033</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍜?/span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">0.553</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">銆?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍥犱負</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">F</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍏鋒湁鏈�澶х殑淇℃伅澧炵泭錛屾墍浠ョ涓�嬈″垎瑁傞�夋嫨</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">F</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">涓哄垎瑁傚睘鎬э紝鍒嗚鍚庣殑緇撴灉濡備笅鍥捐〃紺猴細</span></p><div><span style="color: #232323; font-family: verdana, Arial, Helvetica; font-size: 14px; line-height: 28px; "><img src="http://images.cnblogs.com/cnblogs_com/leoo2sk/WindowsLiveWriter/34d255f282ae_B984/3_3.png" border="0" alt="" width="603" height="517" style="margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; font-family: verdana, Arial, Helvetica; font-size: 12px; color: #232323; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-style: initial; border-color: initial; border-width: initial; border-color: initial; display: block; float: none; border-style: initial; border-color: initial; " /></span></div><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍦ㄤ笂鍥劇殑鍩虹涓婏紝鍐嶉�掑綊浣跨敤榪欎釜鏂規硶璁＄畻瀛愯妭鐐圭殑鍒嗚灞炴�э紝鏈�緇堝氨鍙互寰楀埌鏁翠釜鍐崇瓥鏍戙�?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">涓婇潰涓轟簡綆�渚匡紝灝嗙壒寰佸睘鎬х鏁ｅ寲浜嗭紝鍏跺疄鏃ュ織瀵嗗害鍜屽ソ鍙嬪瘑搴﹂兘鏄繛緇殑灞炴�с�傚浜庣壒寰佸睘鎬т負榪炵畫鍊鹼紝鍙互濡傛浣跨敤</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">ID3</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">綆楁硶錛?/span></p><p align="left" style="margin-top: 9pt; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍏堝皢</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">D</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">涓厓绱犳寜鐓х壒寰佸睘鎬ф帓搴忥紝鍒欐瘡涓や釜鐩擱偦鍏冪礌鐨勪腑闂寸偣鍙互鐪嬪仛娼滃湪鍒嗚鐐癸紝浠庣涓�涓綔鍦ㄥ垎瑁傜偣寮�濮嬶紝鍒嗚</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">D</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">騫惰綆椾袱涓泦鍚堢殑鏈熸湜淇℃伅錛屽叿鏈夋渶灝忔湡鏈涗俊鎭殑鐐圭О涓鴻繖涓睘鎬х殑鏈�浣沖垎瑁傜偣錛屽叾淇℃伅鏈熸湜浣滀負姝ゅ睘鎬х殑淇℃伅鏈熸湜銆?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">搴曟暟鍏紡</span></p><pre style="margin-bottom: 7.5pt; line-height: 18pt; font-family: 'lucida Grande', Verdana; "><span style="color: black; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: white; background-position: initial initial; background-repeat: initial initial; ">&#9312;</span><span style="font-family: Arial; color: black; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: white; background-position: initial initial; background-repeat: initial initial; ">loga(MN)=loga(M)+loga(N)</span></pre><pre style="margin-bottom: 7.5pt; line-height: 18pt; font-family: 'lucida Grande', Verdana; "><span style="color: black; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: white; background-position: initial initial; background-repeat: initial initial; ">&#9313;</span><span style="font-family: Arial; color: black; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: white; background-position: initial initial; background-repeat: initial initial; ">loga(M/N)=loga(M)-loga(N)</span></pre><pre style="margin-bottom: 7.5pt; line-height: 18pt; font-family: 'lucida Grande', Verdana; ">&nbsp;</pre><pre style="margin-bottom: 7.5pt; line-height: 18pt; font-family: 'lucida Grande', Verdana; "><span style="color: black; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: white; background-position: initial initial; background-repeat: initial initial; ">浠ｇ爜涓?/span><span style="font-family: Arial; color: black; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: white; background-position: initial initial; background-repeat: initial initial; ">info()</span><span style="color: black; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: white; background-position: initial initial; background-repeat: initial initial; ">瀹炵幇閭ｆ鍑芥暟瀹炶川涓婃槸緇忚繃涓�鎺ㄥ娌℃湁鐩存帴鐢?/span></pre><p><font class="Apple-style-span" color="#333333" face="Georgia"><br /></font></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; color: #333333; ">鍋囪鐜板湪濂楃敤鏍囧噯鐨勫叕寮忥紝鏈?/span><span style="font-family: Georgia; color: #333333; ">&nbsp;C 1 + C2 = T</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">Info = - ( C1 / T )* log2 ( C 1 / T )&nbsp;&nbsp;-&nbsp;&nbsp;( C2 / T )* log2 ( C 2 / T )</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鏍規嵁搴曟暟鍏紡</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">2</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鍙互寰楀嚭</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">Info = -( C1 / T ) * (log2C1 &#8211;log2T) - ( C2 / T ) * (log2C2 &#8211;log2T)</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鎶婅闄ゆ暟</span><span style="line-height: 25px; font-family: Georgia; color: #333333; ">T</span><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">縐誨嚭鏉?/span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">Info = ( - C1&nbsp;&nbsp;* (log2C1 &#8211;log2T)&nbsp;&nbsp;-&nbsp;&nbsp;C2 * (log2C2 &#8211;log2T) ) /T</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">Info = ( - C1 log2C1&nbsp;&nbsp;+ C1log2T&nbsp;&nbsp;-&nbsp;&nbsp;C2 log2C2&nbsp;&nbsp;+ C2log2T&nbsp;&nbsp;) /T</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">Info = ( - C1 log2C1&nbsp;&nbsp;-&nbsp;&nbsp;C2 log2C2&nbsp;&nbsp;+&nbsp;&nbsp;C1log2T&nbsp;&nbsp;+&nbsp;&nbsp;C2log2T&nbsp;&nbsp;) /T</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">Info = ( - C1 log2C1&nbsp;&nbsp;-&nbsp;&nbsp;C2 log2C2&nbsp;&nbsp;+&nbsp;&nbsp;( C1&nbsp;&nbsp;+&nbsp;&nbsp;C2 ) log2T ) /T</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">C1 + C2 = T</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: Georgia; color: #333333; ">Info = ( - C1 log2C1&nbsp;&nbsp;-&nbsp;&nbsp;C2 log2C2&nbsp;&nbsp;+&nbsp;&nbsp;T log2T ) /T</span></p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">鎵�浠ヤ唬鐮侀噷鏈�緇堟槸鐢ㄨ繖涓叕寮忔潵璁＄畻鐨勶紝鏄庢樉鍑忓皯浜嗛櫎娉曡繍綆楅噺</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p align="left" style="margin-top: 9pt; margin-right: 0cm; margin-bottom: 9pt; margin-left: 0cm; text-align: left; line-height: 25px; word-break: break-all; font-family: 'lucida Grande', Verdana; "><span style="line-height: 25px; font-family: 瀹嬩綋; color: #333333; ">浠ｇ爜涓喅絳栨爲鐢熸垚鐨勪唬鐮佸垎鏋愶細</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;static TreeNode* learnNode (const std::string&amp; targetName,</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const std::string&amp; columnName, const col_t&amp; column,</span></p><p style="font-family: 'lucida Grande', Verdana; "><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const col_set_t&amp; workingSet, unsigned int threshold);</span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; ">targetName:&nbsp;<span style="font-family: 瀹嬩綋; ">鍐崇瓥鏍戠殑鐩爣灞炴�?/span></p><p style="font-family: 'lucida Grande', Verdana; ">columnName:&nbsp;<span style="font-family: 瀹嬩綋; ">浼犲叆鐨勫睘鎬у悕</span></p><p style="font-family: 'lucida Grande', Verdana; ">column:&nbsp;<span style="font-family: 瀹嬩綋; ">灞炴�ф暟鎹?/span></p><p style="font-family: 'lucida Grande', Verdana; ">workingSet:&nbsp;<span style="font-family: 瀹嬩綋; ">鍒嗘瀽鏁版嵁闆?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">榪欎釜鍑芥暟瀹屾垚浜嗗喅絳栨爲鐨勭敓鎴愩�傛牴鎹喌鐨勫垎瑁傜悊璁恒�傝瀵硅繖涓泦榪涜鍒嗘敮鍒掑垎銆備互鍏朵腑鏈�澶у�間綔涓婇檺錛?/span>0<span style="font-family: 瀹嬩綋; ">浣滀笅闄愩�傚湪鑼冨洿錛?/span>0<span style="font-family: 瀹嬩綋; ">錛屾渶澶у�鹼級涔嬮棿姣忎竴涓�奸兘鍒椾負涓�涓垎鏀�傝繖浜涘垎鏀綔涓烘湰鑺傜偣鐨勫瓙鑺傜偣銆傚瓙鑺傜偣涔熻榪涜榪欐牱鐨勫鐞嗐�備竴鐩村埌&#8220;綰?#8221;鐨勮妭鐐逛負姝€�?/span></p><p style="font-family: 'lucida Grande', Verdana; ">&nbsp;</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">鍦ㄧ▼搴忓疄鐜頒笂浣跨敤閫掑綊鏉ュ疄鐜板鐞?/span>.</p><p style="font-family: 'lucida Grande', Verdana; "><span style="font-family: 瀹嬩綋; ">澶勭悊姝ラ</span></p><p style="margin-left: 18pt; text-indent: -18pt; font-family: 'lucida Grande', Verdana; "><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style="font-family: 瀹嬩綋; ">璁劇疆閫掑綊榪斿洖鐐廣�傛牴鎹繖緇勫睘鎬х殑&#8220;綰害&#8221;鏉ュ喅瀹氭槸鍚︿負閫掑綊緇堢偣錛屽湪榪欓噷榪斿洖鐨勬槸鍙跺瓙鑺傜偣鐨勫�鹼紝灝辨槸鍐崇瓥緇撴灉銆?/span></p><p style="margin-left: 18pt; text-indent: -18pt; font-family: 'lucida Grande', Verdana; "><span>2.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style="font-family: 瀹嬩綋; ">瀵規墍鏈夊垎鏀繘琛屽鐞嗭紝鎻愬彇鍒嗘敮鎵�灞炵殑鏁版嵁</span>,&nbsp;<span style="font-family: 瀹嬩綋; ">鑾峰彇鍏朵腑鏈�澶у鐩婁俊鎭粍錛屽茍寮�濮嬮�掑綊</span></p><p style="margin-left: 18pt; text-indent: -18pt; font-family: 'lucida Grande', Verdana; "><span>3.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style="font-family: 瀹嬩綋; ">濉厖鑼冨洿鍊煎唴緙轟箯鍒嗘敮鐨勮妭鐐癸紝鍙栬繎浼肩殑鍊肩殑鍒嗘敮浣滀負濉厖銆?/span></p><p style="font-family: 'lucida Grande', Verdana; 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