±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 4226  |  »Ø¸´: 6

´¿ÕæÄê´úsyy

½ð³æ (СÓÐÃûÆø)


[½»Á÷] Òò×Ó·ÖÎöºÍÖ÷³É·Ö·ÖÎöµÄÇø±ðÔÚÄÄÀ

Ö÷³É·Ö·ÖÎöºÍÒò×Ó·ÖÎöµÄ¸ÅÄîºÍ²Ù×÷·Ç³£ÏàÏñ£¬ÇëÎÊÇø±ðÔÚÄÄÀ

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gqbmail

ľ³æ (ÕýʽдÊÖ)


ÈÏΪ

´¿ÕæÄê´úsyy(½ð±Ò+2): 2011-03-12 19:16:59
Ö÷³É·Ö·ÖÎöÊǶԱäÁ¿µÄ½µÎ¬£¬²¢½Òʾ±äÁ¿¼äµÄ¹ØÏµ¡£Ñо¿±äÁ¿µÄ·½²î¾ØÕó¡£
Òò×Ó·ÖÎöÊdzéÈ¡±äÁ¿ÈºÖеĹ²ÐÔÒò×Ó£¬ÒÔÏà¹ØÏµÊý¾ØÕóΪ»ù´¡¡£
4Â¥2011-03-04 15:24:18
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xdztyh

½ð³æ (ÕýʽдÊÖ)


´¿ÕæÄê´úsyy(½ð±Ò+6): лл£¬ºÜÓÐÆô·¢£¡ 2011-03-12 19:19:05
¿´¿´ÏÂÃæÕâ¶Î»°¶ÔÂ¥Ö÷ÓÐûµÃ°ïÖú¡ª¡ª

Ö÷³É·Ö·ÖÎöºÍÒò×Ó·ÖÎöµÄÇø±ð

1¡¢Òò×Ó·ÖÎöÖÐÊǰѱäÁ¿±íʾ³É¸÷Òò×ÓµÄÏßÐÔ×éºÏ£¬¶øÖ÷³É·Ö·ÖÎöÖÐÔòÊǰÑÖ÷³É·Ö±íʾ³É¸ö±äÁ¿µÄÏßÐÔ×éºÏ¡£

2¡¢Ö÷³É·Ö·ÖÎöµÄÖØµãÔÚÓÚ½âÊ͸ö±äÁ¿µÄ×Ü·½²î£¬¶øÒò×Ó·ÖÎöÔò°ÑÖØµã·ÅÔÚ½âÊ͸÷±äÁ¿Ö®¼äµÄЭ·½²î¡£

3¡¢Ö÷³É·Ö·ÖÎöÖв»ÐèÒªÓмÙÉè(assumptions),Òò×Ó·ÖÎöÔòÐèҪһЩ¼ÙÉè¡£Òò×Ó·ÖÎöµÄ¼ÙÉè°üÀ¨£º¸÷¸ö¹²Í¬Òò×ÓÖ®¼ä²»Ïà¹Ø£¬ÌØÊâÒò×Ó£¨specific factor£©Ö®¼äÒ²²»Ïà¹Ø£¬¹²Í¬Òò×ÓºÍÌØÊâÒò×ÓÖ®¼äÒ²²»Ïà¹Ø¡£

4¡¢Ö÷³É·Ö·ÖÎöÖУ¬µ±¸ø¶¨µÄЭ·½²î¾ØÕó»òÕßÏà¹Ø¾ØÕóµÄÌØÕ÷ÖµÊÇΨһµÄʱºò£¬µÄÖ÷³É·ÖÒ»°ãÊǶÀÌØµÄ£»¶øÒò×Ó·ÖÎöÖÐÒò×Ó²»ÊǶÀÌØµÄ£¬¿ÉÒÔÐýתµÃµ½²»Í¬µÄÒò×Ó¡£

5¡¢ÔÚÒò×Ó·ÖÎöÖУ¬Òò×Ó¸öÊýÐèÒª·ÖÎöÕßÖ¸¶¨£¨spss¸ù¾ÝÒ»¶¨µÄÌõ¼þ×Ô¶¯É趨£¬Ö»ÒªÊÇÌØÕ÷Öµ´óÓÚ1µÄÒò×Ó½øÈë·ÖÎö£©£¬¶øÖ¸¶¨µÄÒò×ÓÊýÁ¿²»Í¬¶ø½á¹û²»Í¬¡£ÔÚÖ÷³É·Ö·ÖÎöÖУ¬³É·ÖµÄÊýÁ¿ÊÇÒ»¶¨µÄ£¬Ò»°ãÓм¸¸ö±äÁ¿¾ÍÓм¸¸öÖ÷³É·Ö¡£

        ºÍÖ÷³É·Ö·ÖÎöÏà±È£¬ÓÉÓÚÒò×Ó·ÖÎö¿ÉÒÔʹÓÃÐýת¼¼Êõ°ïÖú½âÊÍÒò×Ó£¬ÔÚ½âÊÍ·½Ãæ¸ü¼ÓÓÐÓÅÊÆ¡£´óÖÂ˵À´£¬µ±ÐèҪѰÕÒDZÔÚµÄÒò×Ó£¬²¢¶ÔÕâЩÒò×Ó½øÐнâÊ͵Äʱºò£¬¸ü¼ÓÇãÏòÓÚʹÓÃÒò×Ó·ÖÎö£¬²¢ÇÒ½èÖúÐýת¼¼Êõ°ïÖú¸üºÃ½âÊÍ¡£¶øÈç¹ûÏë°ÑÏÖÓеıäÁ¿±ä³ÉÉÙÊý¼¸¸öеıäÁ¿£¨ÐµıäÁ¿¼¸ºõ´øÓÐÔ­À´ËùÓбäÁ¿µÄÐÅÏ¢£©À´½øÈëºóÐøµÄ·ÖÎö£¬Ôò¿ÉÒÔʹÓÃÖ÷³É·Ö·ÖÎö¡£µ±È»£¬ÕâÖÐÇé¿öÒ²¿ÉÒÔʹÓÃÒò×ӵ÷Ö×öµ½¡£ËùÒÔÕâÖÐÇø·Ö²»ÊǾø¶ÔµÄ¡£

        ×ܵÃÀ´Ëµ£¬Ö÷³É·Ö·ÖÎöÖ÷ÒªÊÇ×÷ΪһÖÖ̽Ë÷ÐԵļ¼Êõ£¬ÔÚ·ÖÎöÕß½øÐжàÔªÊý¾Ý·ÖÎö֮ǰ£¬ÓÃÖ÷³É·Ö·ÖÎöÀ´·ÖÎöÊý¾Ý£¬ÈÃ×Ô¼º¶ÔÊý¾ÝÓÐÒ»¸ö´óÖµÄÁ˽âÊǷdz£ÖØÒªµÄ¡£Ö÷³É·Ö·ÖÎöÒ»°ãºÜÉÙµ¥¶ÀʹÓãºa£¬Á˽âÊý¾Ý¡£(screening the data),b,ºÍcluster analysisÒ»ÆðʹÓã¬c£¬ºÍÅбð·ÖÎöÒ»ÆðʹÓ㬱ÈÈçµ±±äÁ¿ºÜ¶à£¬¸ö°¸Êý²»¶à£¬Ö±½ÓʹÓÃÅбð·ÖÎö¿ÉÄÜÎ޽⣬Õâʱºò¿ÉÒÔʹÓÃÖ÷³É·Ý·¢¶Ô±äÁ¿¼ò»¯¡££¨reduce dimensionality£©d,ÔÚ¶àÔª»Ø¹éÖУ¬Ö÷³É·Ö·ÖÎö¿ÉÒÔ°ïÖúÅжÏÊÇ·ñ´æÔÚ¹²ÏßÐÔ£¨Ìõ¼þÖ¸Êý£©£¬»¹¿ÉÒÔÓÃÀ´´¦Àí¹²ÏßÐÔ¡£

        ÔÚËã·¨ÉÏ£¬Ö÷³É·Ö·ÖÎöºÍÒò×Ó·ÖÎöºÜÀàËÆ£¬²»¹ý£¬ÔÚÒò×Ó·ÖÎöÖÐËù²ÉÓõÄЭ·½²î¾ØÕóµÄ¶Ô½ÇÔªËØ²»ÔÚÊDZäÁ¿µÄ·½²î£¬¶øÊǺͱäÁ¿¶ÔÓ¦µÄ¹²Í¬¶È£¨±äÁ¿·½²îÖб»¸÷Òò×ÓËù½âÊ͵IJ¿·Ö£©¡£
5Â¥2011-03-04 17:30:51
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hoe916

гæ (СÓÐÃûÆø)


  Ñ§Ï°Ñ§Ï°£¡
6Â¥2011-07-22 23:23:37
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiuyouxu

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)


ѧϰһÏÂ
7Â¥2012-02-28 18:29:33
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
2011-03-04 15:03  
2011-03-04 15:04  
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ´¿ÕæÄê´úsyy µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏר˶(0856) 339·ÖÇóµ÷¼Á +9 ¹þ¹þ¹þ¶ì¹þ¹þ¹þ 2026-04-05 9/450 2026-04-05 22:24 by dongzh2009
[¿¼ÑÐ] 08600ÉúÎïÓëÒ½Ò©-327 +6 18755400796 2026-04-05 6/300 2026-04-05 22:03 by imissbao
[¿¼ÑÐ] 301Çóµ÷¼Á +3 XYPLR 2026-04-05 4/200 2026-04-05 19:07 by XYPLR
[¿¼ÑÐ] 282Çóµ÷¼Á +7 aaa³µÁ¾ 2026-04-02 11/550 2026-04-05 17:24 by yulian1987
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +8 ÏàÐűػá¹ââÍòÕ 2026-04-05 10/500 2026-04-05 12:19 by Hdyxbekcb
[¿¼ÑÐ] 0703×Ü·Ö331Çóµ÷¼Á +10 ZY-05 2026-04-04 13/650 2026-04-05 11:03 by xiayan13521
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +5 ´Þwj 2026-03-31 5/250 2026-04-04 19:45 by 1753564080
[¿¼ÑÐ] Çóµ÷¼Á +3 ffyyu 2026-04-02 3/150 2026-04-04 19:03 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +4 ÍÃͻͻͻ£¬ 2026-03-31 4/200 2026-04-04 13:34 by 1753564080
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì¿¼ÑÐ +10 Õü¾ÈÆ¤ÌØÍÐÏÈÉú 2026-04-02 10/500 2026-04-03 23:57 by userper
[¿¼ÑÐ] 322Çóµ÷¼Á +6 FZAC123 2026-04-03 6/300 2026-04-03 22:23 by ¿ÆÑÐСר¼Ò
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸±±Àí325·ÖÇóµ÷¼Á +6 ÕÒµ÷¼Á£¬£¬ 2026-04-02 6/300 2026-04-03 22:20 by –¹Æ?
[¿¼ÑÐ] ±¾¿Æ985£¬×¨Òµ0812·Ö336Çóµ÷¼Á +4 ĪĪºÜÐÐ 2026-04-03 4/200 2026-04-03 21:31 by zhq0425
[¿¼ÑÐ] 283Çóµ÷¼Á +3 jiouuu 2026-04-03 4/200 2026-04-03 13:28 by jiouuu
[¿¼ÑÐ] 08¹¤¿Æ275·ÖÇóµ÷¼Á +14 AaAa7420 2026-03-31 14/700 2026-04-03 11:13 by cocolv
[¿¼ÑÐ] 338Çóµ÷¼Á£¬Ò»Ö¾Ô¸ÄÜÔ´¶¯Á¦£¬ÍâÓïÊÇÈÕÓï203 +5 zzz£¬£¬r 2026-04-02 5/250 2026-04-03 09:45 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á22408 288·Ö +5 new382 2026-04-02 5/250 2026-04-03 09:13 by ×íÔÚ·çÀï
[¿¼ÑÐ] 362Çóµ÷¼Á +14 Î÷ÄϽ»²ÄÁÏר˶3 2026-03-31 14/700 2026-04-02 17:50 by yunlongyang
[¿¼ÑÐ] ʳƷѧ˶362Çóµ÷¼Á +3 xuanxianxian 2026-04-01 3/150 2026-04-01 21:05 by °¡Àî999
[¿¼ÑÐ] 085601Ó¢¶þÊý¶þÇóµ÷¼Á ×Ü·Ö325 +4 Óຽº½ 2026-03-31 4/200 2026-03-31 17:38 by ÌÆãå¶ù
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û