浣犵殑妯″瀷鎬诲湪璁粌闆嗚〃鐜板畬缇庯紝娴嬭瘯闆嗗嵈涓€濉岀硦娑傦紵璋冨弬鍍忊€滅巹瀛︹€濓紵鍒厡锛佷粖澶╁挶浠敤澶х櫧璇濇媶瑙ｂ€?strong>鈥?澶у弬鏁颁紭鍖栨柟娉曗€?/strong>鈥嬶紝鎵嬫妸鎵嬫暀浣犱粠鍏ラ棬鍒板疄鎴樸€?/h3>

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涓€銆佸弬鏁颁紭鍖栨槸涓暐锛熶负鍟ラ潪寰楁悶杩欎釜锛?/h3>

璇寸櫧浜嗭紝鍙傛暟浼樺寲灏卞儚缁欐ā鍨嬫壘鈥滄渶浣崇┛鎼€濄€備綘鎯虫兂锛屽悓鏍风殑琛ｆ湇锛堢畻娉曪級锛屼笉鍚屼汉绌匡紙鍙傛暟缁勫悎锛夋晥鏋滃ぉ宸湴鍒€傛瘮濡傜敤闅忔満妫灄棰勬祴鎴夸环锛屾爲鐨勬暟閲忎粠10妫靛姞鍒?00妫碉紝鍙兘鍑嗙‘鐜囪弓韫定鈥斺€斾絾鍏蜂綋鍔犲灏戞５鏈€鍚堥€傦紵鈥?strong>鈥嬭繖灏辨槸鍙傛暟浼樺寲鐨勬牳蹇冧环鍊硷細鐢ㄧ瀛︽柟娉曚唬鏇跨瀻钂欙紒鈥?/strong>鈥?/p>

涓句釜鏍楀瓙馃尠锛氱綉椤?閲屾彁鍒扮殑楦㈠熬鑺卞垎绫诲疄楠岋紝缃戞牸鎼滅储璇曚簡180绉嶅弬鏁扮粍鍚堟墠鎵惧埌鏈€浼樿В銆傝鏄叏闈犱汉宸ヨ皟锛岀▼搴忓憳澶村彂鏃╂帀鍏変簡锛?/p>

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浜屻€佷簲澶ч棬娲惧崕灞辫鍓戯細璋佹墠鏄皟鍙備箣鐜嬶紵

1. 鈥?strong>鈥嬬綉鏍兼悳绱紙Grid Search锛夆€斺€旇€佸疄浜虹殑绌蜂妇娉曗€?/strong>鈥?/h4>

• 鈥?strong>鈥嬪師鐞嗏€?/strong>鈥嬶細鎶婂弬鏁板綋缃戞牸鍧愭爣锛屾瘡涓氦鍙夌偣閮借瘯涓€閬?/li>
• 鈥?strong>鈥嬩紭鐐光€?/strong>鈥嬶細绠€鍗曠矖鏆达紝缁濆涓嶆紡鎺変换浣曠粍鍚?/li>
• 鈥?strong>鈥嬬己鐐光€?/strong>鈥嬶細璁＄畻閲忕垎鐐革紒鍍忕綉椤?璇寸殑锛?涓弬鏁板悇5涓€煎氨瑕佽瘯625娆?/li>
• 鈥?strong>鈥嬪疄鎴樻渚嬧€?/strong>鈥嬶細
  鐢⊿VM鍒嗙被楦㈠熬鑺憋紙缃戦〉4浠ｇ爜鏀圭紪锛夛細

  python澶嶅埗
  param_grid = {'C': [0.1,1,10], 'gamma':[0.01,0.1]}
  grid_search = GridSearchCV(SVC(), param_grid, cv=5)
  grid_search.fit(X_train,y_train)
  print(f"鏈€浣冲弬鏁帮細{grid_search.best_params_}") 

  鈥?strong>鈥嬮€傜敤鍦烘櫙鈥?/strong>鈥嬶細鍙傛暟灏戯紙鈮?涓級銆佸彇鍊艰寖鍥存槑纭殑灏忔暟鎹泦

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2. 鈥?strong>鈥嬮殢鏈烘悳绱紙Random Search锛夆€斺€旀娊鍗＄帺瀹剁殑绂忛煶鈥?/strong>鈥?/h4>

• 鈥?strong>鈥嬪師鐞嗏€?/strong>鈥嬶細鍙傛暟鑼冨洿閲岄殢鏈烘娊濂栵紝鎷间汉鍝佹壘鏈€浼樿В
• 鈥?strong>鈥嬩紭鐐光€?/strong>鈥嬶細姣旂綉鏍兼悳绱㈠揩3-5鍊嶏紙缃戦〉11瀹為獙璇佹槑锛?/li>
• 鈥?strong>鈥嬬己鐐光€?/strong>鈥嬶細鍙兘閿欒繃鈥滈殣钘廠SR鈥濆弬鏁?/li>
• 鈥?strong>鈥嬪疄鎴橀獨鎿嶄綔鈥?/strong>鈥嬶細
  缃戦〉7鐢ㄩ殢鏈烘悳绱㈣皟鍐崇瓥鏍戯紝100娆¤凯浠ｆ壘鍒癿ax_depth=5鏃跺噯纭巼鏈€楂橈細

  python澶嶅埗
  param_dist = {'max_depth': randint(3,15)}
  random_search = RandomizedSearchCV(..., n_iter=100)

  鈥?strong>鈥嬮€傚悎浜虹兢鈥?/strong>鈥嬶細璧舵椂闂寸殑椤圭洰锛屽弬鏁扮淮搴︼紴3鐨勪腑鍨嬫暟鎹泦

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3. 鈥?strong>鈥嬭礉鍙舵柉浼樺寲锛圔ayesian Optimization锛夆€斺€斿闇哥殑鏅鸿兘瀵艰埅鈥?/strong>鈥?/h4>

• 鈥?strong>鈥嬪師鐞嗏€?/strong>鈥嬶細鍍忛珮寰峰湴鍥惧疄鏃舵洿鏂拌矾绾匡紝鐢ㄥ巻鍙叉暟鎹娴嬫渶浼樻柟鍚?/li>
• 鈥?strong>鈥嬮粦绉戞妧鈥?/strong>鈥嬶細缃戦〉12璇寸殑鈥?strong>鈥嬮珮鏂繃绋?閲囬泦鍑芥暟鈥?/strong>鈥嬶紝10娆¤凯浠ｉ《鍒汉100娆?/li>
• 鈥?strong>鈥嬪疄鎴樻儕鑹宠〃鐜扳€?/strong>鈥嬶細
  缃戦〉14鐨勪簩娆″嚱鏁颁紭鍖栨渚嬶紝20娆¤凯浠ｇ簿鍑嗘壘鍒版渶浣庣偣锛坸=2鏃秄(x)=0锛?br/> 鈥?strong>鈥嬫牳蹇冧紭鍔库€?/strong>鈥嬶細缃戦〉2璇佹槑锛屽湪璐熻嵎棰勬祴涓瘮缃戞牸鎼滅储蹇?0%

鈥?strong>鈥嬩妇涓牀瀛愨€?/strong>鈥嬶細璋僗GBoost鍙傛暟鏃讹紝璐濆彾鏂紭鍖栦細鑷姩璺宠繃瀛︿範鐜囷紴0.3鐨勨€滄浜″尯鍩熲€濓紝鐩村0.01-0.1鐨勯珮鏀剁泭鍖恒€?/p>

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4. 鈥?strong>鈥嬮仐浼犵畻娉曪紙Genetic Algorithm锛夆€斺€旇揪灏旀枃寮忚繘鍖栬鈥?/strong>鈥?/h4>

• 鈥?strong>鈥嬪師鐞嗏€?/strong>鈥嬶細妯′豢鐢熺墿杩涘寲锛岃鍙傛暟鈥滈€傝€呯敓瀛樷€?/li>
• 鈥?strong>鈥嬬鎿嶄綔鈥?/strong>鈥嬶細缃戦〉5鎻愬埌鐨勨€?strong>鈥嬮€夋嫨-浜ゅ弶-鍙樺紓鈥?/strong>鈥嬩笁鏉挎枾
• 鈥?strong>鈥嬪疄鎴樺悕鍦洪潰鈥?/strong>鈥嬶細
  缃戦〉17鐨勫湡澹ゅ弬鏁颁紭鍖栵紝鐢ㄩ仐浼犵畻娉曟妸妯″瀷鍑嗙‘鐜囦粠75%鎻愬埌89%
  鈥?strong>鈥嬬獊鍑洪噸鍥粹€?/strong>鈥嬶細鐗瑰埆閫傚悎鍍忕綉椤?6鍦熷湴鍒嗙被杩欑鏈夊嚑鍗佷釜鍙傛暟鐨勫鏉傚満鏅?/li>

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5. 鈥?strong>鈥嬫搴︿笅闄嶆硶锛圙radient Descent锛夆€斺€旇€佸徃鏈虹殑寰搷鑹烘湳鈥?/strong>鈥?/h4>

• 鈥?strong>鈥嬪師鐞嗏€?/strong>鈥嬶細椤虹潃璇樊鏇茬嚎鐨勫潯搴﹀線涓嬫粦
• 鈥?strong>鈥嬪繀鏉€鎶€鈥?/strong>鈥嬶細鍔ㄩ噺鍔犻€熴€佽嚜閫傚簲瀛︿範鐜囷紙缃戦〉6鎻愬埌鐨凙dam浼樺寲鍣級
• 鈥?strong>鈥嬬炕杞﹁鍛娾€?/strong>鈥嬶細瀹规槗鍗″湪灞€閮ㄦ渶浣庣偣鍑轰笉鏉?/li>
• 鈥?strong>鈥嬬粡鍏稿簲鐢ㄢ€?/strong>鈥嬶細绁炵粡缃戠粶璋冨弬蹇呭锛屽儚缃戦〉14鐨凞NN妯″瀷灏辩敤瀹冧紭鍖栭殣钘忓眰

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涓夈€佺粓鏋佸鍐筹細涓€寮犺〃鐪嬫噦鎬庝箞閫夛紙寤鸿鏀惰棌锛侊級

鍥涖€佷釜浜鸿俯鍧戠粡楠屽ぇ鏀鹃€?/h3>

1. 鈥?strong>鈥嬪埆褰撻搧澶村▋鈥?/strong>鈥嬶細鏇剧粡鐢ㄧ綉鏍兼悳绱㈣皟6涓弬鏁帮紝璺戜簡涓夊ぉ涓夊杩樻病缁撴灉...鍚庢潵鏀圭敤璐濆彾鏂紭鍖栵紝2灏忔椂鎼炲畾锛?/li>
2. 鈥?strong>鈥嬫暟鎹噺鍐冲畾鏂规硶璁衡€?/strong>鈥嬶細鍍忕綉椤?7鍋氬湡鍦板垎绫伙紝70涓囨潯鏁版嵁鐩存帴涓婇仐浼犵畻娉曪紝灏忔暟鎹泦鐢ㄨ繖涓函灞炶嚜铏?/li>
3. 鈥?strong>鈥嬪伐鍏烽€夊浜嬪崐鍔熷€嶁€?/strong>鈥嬶細sklearn鐨凣ridSearchCV銆乭yperopt搴撶殑璐濆彾鏂紭鍖栭兘鏄鍣紙缃戦〉4銆?2鏈変唬鐮佹ā鏉匡級

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浜斻€佺伒榄傛嫹闂細瀛︿簡杩欎箞澶氾紝鍒板簳鐢ㄥ摢涓紵

杩欏緱鐪嬩綘鐨勨€滃搴曗€濓細

• 鈥?strong>鈥嬫柊鎵嬫潙閫夋墜鈥?/strong>鈥嬶細浠庣綉鏍兼悳绱?闅忔満鎼滅储鍏ラ棬锛屽厛鎰熷彈璋冨弬閫昏緫
• 鈥?strong>鈥嬩腑绾х帺瀹垛€?/strong>鈥嬶細璇曡瘯璐濆彾鏂紭鍖栵紝鍍忕綉椤?4鐨凞NN璋冨弬妗堜緥鍊煎緱鐓ф惉
• 鈥?strong>鈥嬪湡璞叕鍙糕€?/strong>鈥嬶細鐩存帴涓夾utoML骞冲彴锛岃AI甯綘鑷姩璋冨弬

璁颁綇锛屾病鏈夋渶濂界殑鏂规硶锛屽彧鏈夋渶鍚堥€傜殑缁勫悎銆傚氨鍍忔壘瀵硅薄锛岀綉鏍兼悳绱㈡槸鐩镐翰鎸ㄤ釜瑙侊紝璐濆彾鏂紭鍖栨槸绠楁硶閫熼厤锛屽叧閿湅浣犺鏁堢巼杩樻槸绮惧害锛?/p>