銆婃脯(c猫)閲忓績鐞嗗(xu茅)銆嬪湪娉ㄥ唺(c猫)蹇冪悊鍜ㄨ甯€冭│涓悜渚�(l谩i)鏄崄鍒嗛噸瑕佺殑绲勬垚閮ㄥ垎锛屻€婃脯(c猫)閲忓績鐞嗗(xu茅)銆嬮儴鍒嗙殑鐭ヨ瓨(sh铆)榛�(di菐n)娑夊強蹇冪悊娓�(c猫)瑭�?y谩n)纰氭應顝嬨創?j矛)绠楃瓑鍏�(n猫i)瀹�锛岀浉灏�(du矛)绻侀洔锛岀挵(hu谩n)鐞冪恫(w菐ng)鏍″績鐞嗗挩瑭㈠斧闋婚亾鎸夌収绔犵瘈(ji茅)鐐烘偍鏁寸悊浜嗐€婃脯(c猫)閲忓績鐞嗗(xu茅)銆嬪京(f霉)缈�(x铆)鎻愮侗锛屽公鍔╁ぇ瀹堕€�(j矛n)琛屽倷鑰冨京(f霉)缈�(x铆)锛岃珛(q菒ng)鍚勪綅鑰冪敓瑾�(r猫n)鐪熻鎲朵互涓嬬煡璀�(sh铆)榛�(di菐n)銆�

涓�銆佹脯(c猫)椹�(y脿n)鐮旂┒涓殑鏁�(sh霉)鎿�(j霉)鍒嗘瀽

閲嶈姒傚康

1. 鍥犲瓙鑽烽噸

浠ヨ畩閲�(椤岀洰)鐐哄洜璁婇噺浠ュ悇鎶藉彇鍥犲瓙鐐鸿嚜璁婇噺閫�(j矛n)琛屽洖姝稿垎鏋�锛屾瘡鍊�(g猫)绯绘暩(sh霉)鍗崇偤loading

2. 鍏洜瀛愭柟宸甴2

hi2=ai12+ai22+…+aim2锛岀偤鍥犲瓙杓夎嵎鐭╅櫍涓i琛屽厓绱犵殑骞虫柟鍜�锛岀ū鐐哄叡鍚屽害銆�

鍏洜瀛愮殑鏂瑰樊鐨勬剰缇╁湪浜庤(shu艒)鏄庣暥(d膩ng)鐢卞師濮嬭畩閲忕┖闁撹綁(zhu菐n)鍖栫偤鍥犲瓙绌洪枔鍚�锛屼繚鐣欏師渚�(l谩i)鍚勮畩閲忕殑淇℃伅鏈夊灏�锛岀暥(d膩ng)hi2瓒婃帴杩�1鏅�(sh铆)锛岃(shu艒)鏄庣┖闁撹綁(zhu菐n)鍖栨€ц唱(zh矛)瓒婂ソ銆�

鎬濊€冮锛�

(1)

鍥犵礌鍒嗘瀽鐨勬椹�

1. 鍥犵礌鍒嗘瀽鐨勪竴鑸摢浜涙椹�?

绗竴姝ワ細鏁�(sh霉)鎿�(j霉)閬╁悎鎬ф椹�(y脿n)鑸囨娊鍙栧洜瀛愭暩(sh霉)鐩殑纰哄畾

(1) 鏁�(sh霉)鎿�(j霉)閬╁悎鎬ф椹�(y脿n)

(2) 纰哄畾鎶藉彇鍥犲瓙鐨勬暩(sh霉)鐩�

绗簩姝ワ細鍥犲瓙鏁�(sh霉)鐩⒑瀹氬悗锛岀嵅寰楁竻鏅板湴鐨勭祼(ji茅)妲�(g貌u)锛屽悓鏅�(sh铆)纰哄畾鍝簺闋�(xi脿ng)鐩埅闄�

(2) 纰哄畾鍝簺闋�(xi脿ng)鐩埅闄�

(3) 鍥犲瓙鏃嬭綁(zhu菐n)锛氫互鐛插緱鏇存竻鏅板湴绲�(ji茅)妲�(g貌u)

2. 鍥犵礌鍒嗘瀽涓浣曠⒑瀹氬洜瀛愮殑鍊�(g猫)鏁�(sh霉)?

(1) 娼涙牴鍊�(Eigenvalalue)婧�(zh菙n)鍓�锛屽嵆娼涙牴鍊煎ぇ浜�1銆�

(2) 纰庣煶鍦�(Scree test)婧�(zh菙n)鍓�锛屽彇鏇茬窔闁�(k膩i)濮嬭綁(zhu菐n)鎶樺墠鐨勫洜瀛愬€�(g猫)鏁�(sh霉)銆�

(3) 鏈変簺鎯呮硜涓嬶紝鍒嗘瀽浜哄摗浜嬪厛纰哄畾鍥犲瓙鐨勫€�(g猫)鏁�(sh霉)(number of factors)銆傞€欑ó鍋氭硶閬╁悎妾㈤(y脿n)鍥犲瓙鐨勭悊璜栨垨閲嶅京(f霉)鏌愪簺宸ヤ綔銆傜附涔�锛岄噰鍙栨渶瀹规槗瑙ｉ噵涓旀渶绨�(ji菐n)鍠殑鍥犲瓙绲�(ji茅)妲�(g貌u)鐐哄ソ銆�

3. 濡備綍閬�(y霉n)鐢ㄥ洜绱犲垎鏋愮殑绲�(ji茅)鏋滈€�(j矛n)琛岄爡(xi脿ng)鐩垎鏋�(鍒櫎闋�(xi脿ng)鐩�)?

纰哄畾鎶藉彇鍥犲瓙鐨勬暩(sh霉)鐩�

閫�(j矛n)琛屽洜瀛愭棆杞�(zhu菐n)(姝ｄ氦鏃嬭綁(zhu菐n)娉曟垨鑰呮枩浜ゆ棆杞�(zhu菐n))

a) 鍦ㄦ墍鏈夊洜瀛愬洜瀛愯嵎閲�(lodging)鍧囧皬浜�0.3鐨勯爡(xi脿ng)鐩�;

b) 鍏╁€�(g猫)鍥犲瓙涓婂洜瀛愯嵎閲�(lodging) 宸笉澶氬ぇ灏�

c) 鏍规摎(j霉)瀵�(sh铆)闅涢渶瑕侊紝寰炲ぇ鍒板皬鎺掑垪锛屽埅闄ゅ悗闈笉闇€瑕佺殑

4. 鍥犲瓙鏃嬭綁(zhu菐n)鐨勭洰鐨勬槸浠€涔�?涓€鑸噰鐢ㄥ摢绋棆杞�(zhu菐n)鏂规硶?

鍥犲瓙鏃嬭綁(zhu菐n)鐨勭洰鐨勶細浠ョ嵅寰楁洿娓呮櫚鍦扮祼(ji茅)妲�(g貌u)

涓€鑸噰鐢ㄤ竴鑸伕Varimax(姝ｄ氦鏃嬭綁(zhu菐n)娉�)锛岀偤鏇村鏄撹В閲�锛屼篃鏈�(hu矛)浣跨敤鏂滀氦鏃嬭綁(zhu菐n)娉�

鐠�(hu谩n)鐞冪恫(w菐ng)鏍″皬绶ㄦ韩棣ㄦ彁閱掞細浠ヤ笂鍏�(n猫i)瀹瑰氨鏄挵(hu谩n)鐞冪恫(w菐ng)鏍″績鐞嗗挩瑭㈠斧闋婚亾鐐烘偍鏁寸悊鍖附鐨�“2019骞碅CI娉ㄥ唺(c猫)蹇冪悊鍜ㄨ甯€婃脯(c猫)閲忓績鐞嗗(xu茅)銆嬪京(f霉)缈�(x铆)鎻愮侗锛氭脯(c猫)椹�(y脿n)鐮旂┒涓殑鏁�(sh霉)鎿�(j霉)鍒嗘瀽”锛屾洿澶氬京(f霉)缈�(x铆)璩囨枡銆佹ā鎿│椤屽拰姝峰勾鐪熼锛岃珛(q菒ng)鎮ㄩ粸(di菐n)鎿婁笅闈㈡寜閳曢€�(j矛n)鍏ラ搴�(k霉)涓嬭級銆�