»ùÄáϵÊý
¡°»ùÄáϵÊý¡±»ù±¾½âÊÍ
±íʾÉç»áÊÕÈë·ÖÅ䲻ƽ¾ù³Ì¶ÈµÄÖ¸±ê£¬ÏµÊýÊýÖµÔÚ0Óë1Ö®¼ä£¬ÊýÖµÔ½´ó£¬·ÖÅäµÄ²»Æ½¾ù³Ì¶ÈÔ½¸ß¡£ÒòÓÉÒâ´óÀûͳ¼Æѧ¼Ò»ùÄᣨCorrado Gini£©Ìá³ö¶øµÃÃû¡£
1.°´ÕÕºÏÀíµÄ»ùÄáϵÊý·¶Î§È·¶¨¸÷ÏØÇøÖ÷ÒªÎÛȾÎïÅÅÎÛÁ¿µÄÏ÷¼õ·½°¸¡£
2.±¾ÎÄÓ¦Óù¤ÒµÇøλ»ùÄáϵÊý¡¢ÇøλÉÊ¡¢ÇøÓò·Ö¹¤Ö¸ÊýµÈÖ¸±ê£¬·ÖÎö¹ã¶«Ê¡µÄÖÆÔìÒµ¼¯¾ÛºÍÀ©É¢³Ì¶È¼°Ç÷ÊÆ¡£
3.¼ÆËã±íʾ¹¤Òµ¼¯¾Û³Ì¶ÈµÄ»ùÄáϵÊý£¬Í¨¹ýʱ¼äÐòÁÐÄ£ÐÍ·ÖÎö¹¤Òµ¼¯¾Û¶ÔµØÇø¾¼Ã²î¾àµÄ¡°¼¯¾ÛЧӦ¡±Ó°Ïì¡£
4.²¢¾¡¿ÉÄÜÏû³ýÁ˳ÇÏç¾ÓÃñÊÕÈëÖ¸±ê¿Ú¾¶²»Ò»Öº͸ßÊÕÈ뻧Ñù±¾Æ«²î¶Ô»ùÄáϵÊýµÄÓ°Ïì,²âËãµÃµ½µÄ»ùÄáϵÊý¾ßÓйú¼Ê¿É±ÈÐÔ,Ò²·´Ó³ÁËÎÒ¹ú¾ÓÃñÊÕÈë²î¾àµÄ±ä»¯Ç÷ÊÆ¡£
¡°»ùÄáϵÊý¡±·Ö´Ê½âÊÍ
»ù±¾×ÖÒå¡ñ »ùj¨© ¨Ð¨ç¡¥ ½¨ÖþÎïµÄ¸ù½Å£º¡«Ê¯¡£¡«´¡¡£µì¡«¡£ ¸ù±¾µÄ£¬ÆðʼµÄ£º¡«±¾¡£¡«Òµ¡£¡«²ã¡£¡«µã¡£¡«×¼¡£ ¸ù¾Ý£º¡«ÓÚ¡
![](https://img1.runjiapp.com/duoteimg/dtnew_assets/pc/images/dictionary/index/arrow-right.png)
»ù±¾×ÖÒå¡ñ Äán¨ª ¨Ë¨ç¨@èóÓï¡°±ÈÇðÄᡱµÄ¼ò³Æ£¬·ð½ÌÖгö¼ÒÐÞÐеÄÅ®×Ó£º¡«¹Ã¡£¡«âÖ¡£Ï÷·¢Îª¡«¡£¹Åͬ¡°êÇ¡±£¬Ïà½ü£¬Ç×½ü¡£
![](https://img1.runjiapp.com/duoteimg/dtnew_assets/pc/images/dictionary/index/arrow-right.png)
¡ñ ϵ £¨??‚S¡¢????ÀM£© xì ¨Ò¨ç¨A ÓÐÁªÊô¹ØϵµÄ£º¡«Í³¡£¡«ÁС£¡«Êý¡£Ë®¡«¡£ÊÀ¡«¡£ ¸ßµÈѧУÖа´Ñ§¿Æ·ÖµÄ½Ìѧµ¥Î»£ºÖÐÎÄ¡«
![](https://img1.runjiapp.com/duoteimg/dtnew_assets/pc/images/dictionary/index/arrow-right.png)
¡ñ Êý £¨”µ£© shù ¨Õ¨è¨A ±íʾ¡¢»®·Ö»ò¼ÆËã³öÀ´µÄÁ¿£º¡«Ä¿¡£¡«Á¿¡£¡«´Ê¡£¡«ÂÛ£¨ÊýѧµÄÒ»Ö§£¬Ö÷ÒªÑо¿ÕýÕûÊýµÄÐÔÖÊÒÔ¼°ºÍËüÓйصĹæÂÉ£
![](https://img1.runjiapp.com/duoteimg/dtnew_assets/pc/images/dictionary/index/arrow-right.png)