有没有高手能帮忙一下啊：多元逐步回归分析是看R2还是看调整后的R2的？急求~先谢过了···· 在用SPSS做一个线性回归分析，结果如图，R方很低，但是显著...
Logistic\u56de\u5f52\u5206\u6790\u7684\u65f6\u5019\uff0cR2\uff08\u51b3\u5b9a\u7cfb\u6570\uff09\u975e\u5e38\u5c0f\uff0c\u4e3a\u4ec0\u4e48\uff1f\u6c42\u9ad8\u4eba\u6307\u70b9\uff01\u6025\uff01\u4f60\u628a\u4e0d\u663e\u8457\u7684\u53d8\u91cf\u53bb\u6389\u8bd5\u8bd5\uff0c\u6216\u8005\u76f4\u63a5\u7528\u7ebf\u6027\u56de\u5f52\u6a21\u578b\uff0c\u5f88\u53ef\u80fdR2\u4f1a\u63d0\u9ad8\u7684
\u7528\u6237\u53ef\u4ee5\u5148\u8bd5\u7740\u753b\u4e00\u4e2a\u6563\u70b9\u56fe\uff0c\u770b\u770b\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u66f2\u7ebf\u6765\u83b7\u5f97\u66f4\u597d\u7684\u62df\u5408\u6548\u679c\uff0c\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u7ebf\u6027\u6216\u67d0\u4e9b\u975e\u7ebf\u6027\u62df\u5408\u4f1a\u6709\u663e\u8457\u7684\u6548\u679c\uff0c\u4f46\u53ef\u80fd\u4e0d\u662f\u6700\u597d\u7684\uff0c\u6240\u4ee5\u6709\u5fc5\u8981\u5224\u65ad\u81ea\u53d8\u91cf\u4e0e\u56e0\u53d8\u91cf\u4e4b\u95f4\u662f\u5426\u5448\u7ebf\u6027\u5173\u7cfb\u3002
R\u65b9\u548c\u8c03\u6574\u540e\u7684R\u65b9\u662f\u5bf9\u6a21\u578b\u62df\u5408\u6548\u679c\u7684\u63cf\u8ff0\uff0c\u8c03\u6574\u540e\u7684R\u65b9\u66f4\u51c6\u786e\uff0c\u5373\u81ea\u53d8\u91cf\u5bf9\u56e0\u53d8\u91cf\u7684\u89e3\u91ca\u7387\u4e3a27.8%\uff0cT\u4e3a\u5404\u81ea\u53d8\u91cf\u662f\u5426\u6709\u663e\u8457\u5f71\u54cd\u7684\u68c0\u9a8c\uff0c\u5177\u4f53\u7684\u663e\u8457\u6027\u4ecd\u7136\u53d6\u51b3\u4e8e\u968f\u540e\u7684P\u503c\uff0c\u5982\u679cp\u503c< 0.05\uff0c\u5219\u81ea\u53d8\u91cf\u5f71\u54cd\u663e\u8457\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u6ce8\u610f\u4e8b\u9879\uff1a
\u591a\u5143\u7ebf\u6027\u56de\u5f52\u7684\u57fa\u672c\u539f\u7406\u548c\u57fa\u672c\u8ba1\u7b97\u8fc7\u7a0b\u4e0e\u4e00\u5143\u7ebf\u6027\u56de\u5f52\u76f8\u540c\u3002\u4f46\u7531\u4e8e\u81ea\u53d8\u91cf\u8f83\u591a\uff0c\u8ba1\u7b97\u6bd4\u8f83\u9ebb\u70e6\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e00\u822c\u9700\u8981\u7edf\u8ba1\u8f6f\u4ef6\u3002\u8fd9\u91cc\u53ea\u4ecb\u7ecd\u4e86\u591a\u5143\u7ebf\u6027\u56de\u5f52\u7684\u57fa\u672c\u95ee\u9898\u3002
\u4f46\u7531\u4e8e\u6bcf\u4e2a\u72ec\u7acb\u53d8\u91cf\u5355\u4f4d\u53ef\u80fd\u4e0d\u540c\uff0c\u5982\u6d88\u8d39\u6c34\u5e73\u4e4b\u95f4\u7684\u5173\u7cfb\u3001\u5de5\u8d44\u6c34\u5e73\u3001\u6559\u80b2\u6c34\u5e73\u3001\u804c\u4e1a\u3001\u5730\u533a\u3001\u5bb6\u5ead\u8d1f\u62c5\uff0c\u7b49\u7b49\u56e0\u7d20\u4f1a\u5f71\u54cd\u6d88\u8d39\u6c34\u5e73\uff0c\u800c\u8fd9\u4e9b\u5f71\u54cd\u56e0\u7d20\uff08\u81ea\u53d8\u91cf\uff09\u5355\u4f4d\u663e\u7136\u662f\u4e0d\u540c\u7684\uff0c\u6240\u4ee5\u72ec\u7acb\u53d8\u91cf\u7cfb\u6570\u7684\u5927\u5c0f\u5e76\u4e0d\u610f\u5473\u7740\u4e4b\u524d\u7684\u56e0\u7d20\u91cd\u8981\u7a0b\u5ea6\u3002
\u7b80\u5355\u5730\u8bf4\uff0c\u76f8\u540c\u5de5\u8d44\u6536\u5165\u4ee5\u5143\u8ba1\u7b97\u7684\u56de\u5f52\u7cfb\u6570\u5c0f\u4e8e\u4ee5\u767e\u5143\u8ba1\u7b97\u7684\u56de\u5f52\u7cfb\u6570\u3002\u7136\u800c\uff0c\u5de5\u8d44\u6c34\u5e73\u5bf9\u6d88\u8d39\u7684\u5f71\u54cd\u5e76\u6ca1\u6709\u6539\u53d8\u3002\u56e0\u6b64\uff0c\u6709\u5fc5\u8981\u5bfb\u627e\u4e00\u79cd\u65b9\u6cd5\u5c06\u81ea\u53d8\u91cf\u79ef\u5206\u4e3a\u7edf\u4e00\u5355\u4f4d\u3002\u6211\u4eec\u4e4b\u524d\u5b66\u8fc7\u7684\u6807\u51c6\u5206\u6570\u6709\u8fd9\u4e2a\u529f\u80fd\u3002
\u9996\u5148\u5c06\u6240\u6709\u53d8\u91cf\u5305\u62ec\u56e0\u53d8\u91cf\u8f6c\u5316\u4e3a\u6807\u51c6\u5206\u6570\uff0c\u7136\u540e\u8fdb\u884c\u7ebf\u6027\u56de\u5f52\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5f97\u5230\u7684\u56de\u5f52\u7cfb\u6570\u53ef\u4ee5\u53cd\u6620\u76f8\u5e94\u81ea\u53d8\u91cf\u7684\u91cd\u8981\u6027\u3002
matlab有个toolbox直接做：调用：STEPWISE(X,Y)
绛旓細浜斻佸寳鏈濆湪鍓嶇Е銆佸寳榄忕殑缁忚惀涓嬫仮澶嶆瘮杈冨揩锛岃屼笖鍐呰娆℃暟涔熸瘮杈冨皯锛屽啗闃熺礌璐ㄦ瘮杈冮珮銆傝屼竴绯诲垪璇稿鈥滃潎鐢板埗鈥濈殑鍒跺害寰椾互鎺ㄨ涔嬪悗锛岀粡娴庝笂涔熺浉褰撴湁淇濋殰鑳芥墦寰楄捣鎴樹簤銆傚寳鏈濈殑鐨囨潈涓鑸瘮鍗楁湞鏇村珐鍥猴紝鑰屽崡鏈濋櫎浜嗘湁鈥滃＋鏃忊濋棶棰樹箣澶栵紝鍐呰闂杩囦簬涓ラ噸锛屼笉绛夊埆浜烘潵鏀诲嚮锛岃嚜宸卞厛鏀舵嬀鑷繁浜...姣斿瀹嬫枃甯濇潃妾閬撴祹锛...
绛旓細姝ｅ父鎯呭喌涓嬶紝鍙互鐢ㄤ笁鍒颁簲骞存病闂锛屼繚鍏荤殑濂姐傜粌涔犲畬鍊掓寕锛岀劧鍚庢斁鍏ョ洅瀛愩 杞绘嬁杞绘斁绛夈 杩欎箰鍣ㄥ績鑴忓氨鏄哀鐗囥
绛旓細璇峰摢浣楂樻墜甯府蹇.甯垜鐪嬩笅鍛界洏..!! 澶氳阿.~ 绱井.鏃哄杈板ぉ鍒戜竷鏉.骞虫仼鍏夊ぉ宸瀛.搴欏ぉ浼ゅぉ鍠滃ぉ绌洪暱鐢8203244566880涓ч棬鍗氬＋54-63宀侀┛浜ゅ弸涓佸烦鎿庣緤.闄...濂瑰簲璇ヨ嚜瑙嗛楂,鏈夌偣鐩┖涓鍒,閲嶉潰瀛,鑳借嚜鎴戠害鏉,鍧氭寔鐪熺悊,寰洿鏃犵,璇氬疄娓呭粔,鑰屼笖鍠滄娌℃湁鍘嬪姏鐨勯棽閫傜敓娲,閫氬父瀵瑰摬瀛︺佸ぇ鑷劧涔熻緝鎰熷叴瓒ｃ 濂逛篃鍏锋湁鐗规畩...
绛旓細銆愪竴銆戣秴棰戝師鐞 涓轰簡鏇村ソ鐨勮秴棰,瓒呴鍘熺悊涓嶅彲涓嶅銆備互瓒呴鏈鏈夋晥鏋滅殑CPU 涓轰緥,鐩墠CPU鐨勭敓浜у彲浠ヨ鏄潪甯哥簿瀵嗙殑,浠ヨ嚦浜庣敓浜у巶瀹堕兘鏃犳硶鎺у埗姣忓潡CPU鍒板簳鍙互鍦ㄤ粈骞烘牱鐨勯鐜囦笅宸ヤ綔,鍘傚瀹為檯涓婂氨宸茬粡鑷繁鍋氫簡娆℃祴璇,灏嗚兘宸ヤ綔鍦ㄩ珮棰戠巼涓嬬殑CPU鏍囪涓洪珮棰戠巼鐨,鐒跺悗鍙互鍗栨洿楂樼殑浠烽挶銆備絾涓轰簡淇濊瘉瀹冪殑璐ㄩ噺,杩欎簺鏍囪閮芥湁...
绛旓細鍘嬪姏杈婁负杞儙寤鸿鍣ㄥ叿鍑嗗鍏呮皵杞儙鐨勭┖鐧戒笌寤鸿榧撴帴鏀惰疆鑳庡眰銆傚帇鍔涜緤鍚堜綔涓庡缓绔嬮紦鏈変竴涓澶氬厓鎬х殑鍏夌slidable浜掔浉灏婇噸锛屼簰鐩稿绔栦簳绛夛紝浠ュ欢闀垮憟杈愬皠鐘朵笌鏁剰锛屽悜寤鸿榧擄紝纰熺墖鐩镐簰鍧囧寑鐘讹紝姣忎釜鍦嗙洏鏈変竴涓唴閮ㄧ殑涓閮ㄥ垎鍜屼竴涓鐜懆杈瑰唴鏀块儴鍒嗭紝骞舵鍦ㄦ棆杞害鐞冭酱鎵匡紝鍐呮斂閮ㄥ垎锛屾湁涓涓紤浼氭湡闂达紝鍏朵晶鏉挎粦鍔ㄥ憟...
绛旓細杩欎竴绯诲垪鍙樺寲杩囩▼锛屽熀鏈鍚圫褰㈡洸绾跨殑鍙樺寲鐗圭偣锛堣鍥1锛夈傝冭檻鍒伴棶棰樹竴鐨勯璁惧拰瑕佹眰锛屽湪澶氬厓绾挎у洖褰掓ā鍨嬩腑锛屾垜浠湭鑰冭檻閭ｄ簺涓嶅埄鍥犵礌锛屽洜涓鸿繖鏄竴涓煭鏈熺殑棰勬祴锛屾墍浠ュ彧鑰冭檻浜嗘湁鍒╁洜绱狅紝鎴戜滑鍊熷姪Excel鍒朵綔鍑虹浜烘苯杞︿繚鏈夐噺涓庡悇涓彉閲忕殑瀵规暟鍙樺寲瓒嬪娍 浠庡浘1鍙互鐪嬪嚭锛屾牴鎹噰闆嗘暟鎹鏁板寲鍚庢弿杩扮殑鍙樺寲瓒嬪娍鍥...
绛旓細浼氬０浼氬奖X10 鏄竴娆惧己澶х殑瑙嗛鍓緫銆佸埗浣滆蒋浠讹紝瀹岀編鏀寔 Intel绗 7 浠ｆ牳蹇冨鐞嗘妧鏈紝鏂板鐨勮建閬撻忔槑搴︺360掳瑙嗛鏀寔鍔熻兘锛岃鐢ㄦ埛瀹屾垚鐨勬晥鏋滄洿鍔澶氬厓銆傞噸鏂版槧灏勬椂闂村垯鏇村揩鏇存柟渚跨殑瀹炵幇閫熷害鍜屾柟鍚戠殑鎺у埗銆傚姛鑳藉悎骞讹紝鎿嶄綔绠鍖栵紝浣垮緱鏃犺鑰佸辜閮藉彲浠ヨ交鏉鹃┚椹繖娆捐棰戝埗浣滆蒋浠躲備笉鐭ラ亾杩欎釜鐗堟湰瀵逛綘鏈夋病鏈鐢,XP...
绛旓細娌℃湁锛屾槸鐨勮瘽锛屼竴鍔ㄩ兘涓嶈兘鍔紝浼氶潪甯哥柤鐨勶紒
绛旓細鍏稿瀷鐨勮櫄寮澧炵エ锛屽睘杩濇硶鐨勩傚埆浜虹敤涓鍗冨鍧楅挶锛屼拱浜嗕綘鍑犱竾鍧楅挶鐨勫绁ㄣ備綘鎯11700鍏冨绁ㄥ氨鑳芥姷鎵1000鍏冿紝鏈夊嚑涓囧厓锛屼笉鏄氨鑳芥姷鎵ｅソ鍑犲崈鍏冧簡鍚с傚鏋滄病鏈夌湡瀹炵殑閿閲忥紝杩欑鍙戠エ涓嶈兘寮锛岀◣鍔″眬瀹氭湡瑕佹煡甯愮殑銆
绛旓細璇锋眰鏄熷骇楂樻墜鐨甯繖!璇峰府鎴戝垎鏋涓涓杩欏紶绱井鏄熷骇鍛界洏銆傛垜琚悶钂欎簡! 鎴戞潵绛 ...杈冭兘鏈夋晥璋冩暣鑷繁,鍙戞尌瀹炲姏,灏ゅ叾鏄湪闈掑．骞存湡,鏇存槸鐞嗘兂,鍥犳搴旇灏介噺璁╄嚜宸卞姩璧锋潵,鏈夋墍鍙戞尌,濂藉ソ
