rocÖ¸±ê×î¼Ñ²ÎÊý£¨·ÖÀࣺrocÖ¸±ê£©rocÖ¸±ê×î¼Ñ²ÎÊýROCÖ¸±êÊÇÀûÓÃÎïÀíѧÉϵļÓËÙ¶ÈÔÀí£¬ÒÔµ±Ç°ÖÜÆÚµÄÊÕÅ̼ۺÍNÖÜÆÚǰµÄÊÕÅ̼Û×ö±È½Ï£¬Í¨¹ý¼ÆËã¹É¼ÛÔÚijһ¶Îʱ¼äÄÚÊÕÅ̼۱䶯µÄËÙÂÊ£¬rocÖ¸±ê×î¼Ñ²ÎÊýÓ¦Óü۸ñµÄ²¨¶¯À´²âÁ¿¹É¼ÛÒÆ¶¯µÄ¶¯Á¿¡¢ºâÁ¿¶à¿ÕË«·½ÂòÂôÁ¦Á¿µÄÇ¿Èõ£¬´ïµ½·ÖÎöÔ¤²â¹É¼ÛµÄÇ÷ÊÆ¼°ÊÇ·ñÓÐ×ªÊÆµÄÒâÔ¸µÄÄ¿µÄ¡£
rocÖ¸±ê×î¼Ñ²ÎÊý
rocÖ¸±ê×î¼Ñ²ÎÊý£º
ÓÉÓÚÑ¡ÓõļÆËãÖÜÆÚµÄ²»Í¬£¬ROCÖ¸±ê°üÀ¨ÈÕROCÖ¸±ê¡¢ÖÜROCÖ¸±ê¡¢ÔÂROCÖ¸±êÄêROCÖ¸±êÒÔ¼°·ÖÖÓROCÖ¸±êµÈ¸÷ÖÖÀàÐÍ¡£¾³£±»ÓÃÓÚ¹ÉÊÐÑÐÅеÄÊÇÈÕROCÖ¸±êºÍÖÜROCÖ¸±ê¡£ËäÈ»ËüÃǵļÆËãʱµÄȡֵÓÐËù²»Í¬£¬µ«»ù±¾µÄ¼ÆËã·½·¨Ò»Ñù¡£
ÒÔÈÕROCÖ¸±êΪÀý£¬Æä¼ÆË㹫ʽÓÐÁ½ÖÖ£º
ÆäһΪ
ROC£¨NÈÕ£©=AX÷BX
ʽÖУ¬AX=½ñÈÕµÄÊÕÅ̼ۣNÈÕǰµÄÊÕÅ̼Û
BX=NÈÕǰµÄÊÕÅ̼Û
NΪ¼ÆËã²ÎÊý£¬ÈÕÔʼ²ÎÊýΪ10ÈÕ
Æä¶þΪ
ROC=¡´C£¨I£©£C£¨I£N£©¡µ÷C£¨I£N£©×100%
ʽÖУ¬C£¨I£©±íʾµ±ÈÕÊÕÅ̼Û
C£¨I£N£©±íʾNÈÕǰµÄÊÕÅ̼Û
NΪ¼ÆËã²ÎÊý£¬ÈÕÔʼ²ÎÊýΪ10ÈÕ
ÉÏÊöÁ½Ê½µÄÃèÊö²»Ò»Ñù£¬µ«½á¹ûºÍ¹ý³Ì¶¼ÊÇÏàͬµÄ¡£ »¶Ó¹Û¿´rocÖ¸±ê×î¼Ñ²ÎÊý¡£
- rocµ×±³ÀëÑ¡¹É¹«Ê½
- rocµ×±³ÀëÑ¡¹É¹«Ê½£¨·ÖÀࣺrocÖ¸±ê£©rocµ×±³ÀëÑ¡¹É¹«Ê½ROCÖ¸±êÓֽб䶯ÂÊÖ¸±ê£¬ÊÇÒÔµ±ÈÕµÄÊÕÅ̼ۺÍNÌìǰµÄÊÕÅ̼۱Ƚϣ¬Í¨¹ý¼ÆËã¹É......
- rocÖ¸±êµÄʵս¼¼ÇÉ
- rocÖ¸±êµÄʵս¼¼ÇÉ£¨·ÖÀࣺrocÖ¸±ê£©rocÖ¸±êµÄʵս¼¼ÇÉROCÖ¸±êÊÇÖî¶àÖ¸±êÖнÏÎªÈ«ÃæµÄÒ»ÖÖ£¬¾ßÌå±íÏÖÔÚ£ºÆäÒ»£¬ROCÖ¸±ê¾ßÓг¬Âò......
- rocÖ¸±ê×î¼Ñ²ÎÊý
- rocÖ¸±ê×î¼Ñ²ÎÊý£¨·ÖÀࣺrocÖ¸±ê£©rocÖ¸±ê×î¼Ñ²ÎÊýROCÖ¸±êÊÇÀûÓÃÎïÀíѧÉϵļÓËÙ¶ÈÔÀí£¬ÒÔµ±Ç°ÖÜÆÚµÄÊÕÅ̼ۺÍNÖÜÆÚǰµÄÊÕÅ̼Û×ö±È......
- rocÖ¸±êÏê½â¸½Í¼
- rocÖ¸±êÏê½â¸½Í¼£¨·ÖÀࣺrocÖ¸±ê£©rocÖ¸±êÏê½â¸½Í¼ROCÊÇÓɵ±ÌìµÄ¹É¼ÛÓëÒ»¶¨µÄÌìÊý֮ǰµÄijһÌì¹É¼Û±È½Ï£¬Æä±ä¶¯ËٶȵĴóС,À´·´Ó³......
- rocÖ¸±êÏê½â
- rocÖ¸±êÏê½â£¨·ÖÀࣺrocÖ¸±ê£©rocÖ¸±êÏê½âROC(Price Rate of Change)ÓֳƱ䶯ÂÊÖ¸±ê£¬rocÖ¸±êÏê½âÄËÒÔ½ñ......