µ±Ç°Î»ÖãºÖ÷Ò³ > ¾­ÑéÎÊ´ð > ÕýÎÄ

2021ºÓ±±Ê¡ÑøÀϽð¼Æ·¢»ùÊý ÐÂÍËÐݵÄÈËÔ±´ýÓöÈçºÎÖØкËË㣿

·¢²¼Ê±¼ä£º2021-12-05 19:01 À´Ô´£º»¥ÁªÍø µã»÷£º0´Î
2021ºÓ±±Ê¡ÑøÀϽð¼Æ·¢»ùÊýÊǶàÉÙ? ½ØÖÁÄ¿Ç°£¬ÒѾ­ÓÐ15¸öµØÇø¹«²¼ÁË2021ÄêÑøÀϽð¼Æ·¢»ùÊý£¬¾ßÌåÇé¿öÊÇÕâÑùµÄ£º ºÓ±±Ê¡µÄ¼Æ·¢»ùÊýÖ»ÓÐ6575Ôª¡£ ºÓ±±2021ÄêÈ«Ê¡»ù±¾ÑøÀϽðеÄÔ¼Ʒ¢»ùÊý³ö¯£¬²¿·ÖÍËÐÝÈËÔ±Òª²¹·¢²î¶î ½üÆÚ£¬ºÓ±±ÈËÉ繫²¼ÁË2020ÄêÈ«Ê¡È«¿Ú¾¶³ÇÕòµ¥Î»¾ÍÒµÈËÔ±Äêƽ¾ù¹¤×ʺÍ2021ÄêÈ«Ê¡»ù±¾ÑøÀϽðÔ¼Ʒ¢»ùÊý£¬ÉÏÄê¶È2020Äê

¡¡¡¡2021ºÓ±±Ê¡ÑøÀϽð¼Æ·¢»ùÊýÊǶàÉÙ?

¡¡¡¡½ØÖÁÄ¿Ç°£¬ÒѾ­ÓÐ15¸öµØÇø¹«²¼ÁË2021ÄêÑøÀϽð¼Æ·¢»ùÊý£¬¾ßÌåÇé¿öÊÇÕâÑùµÄ£º

¡¡¡¡ºÓ±±Ê¡µÄ¼Æ·¢»ùÊýÖ»ÓÐ6575Ôª¡£

¡¡¡¡ºÓ±±2021ÄêÈ«Ê¡»ù±¾ÑøÀϽðеÄÔ¼Ʒ¢»ùÊý³ö¯£¬²¿·ÖÍËÐÝÈËÔ±Òª²¹·¢²î¶î

¡¡¡¡½üÆÚ£¬ºÓ±±ÈËÉ繫²¼ÁË2020ÄêÈ«Ê¡È«¿Ú¾¶³ÇÕòµ¥Î»¾ÍÒµÈËÔ±Äêƽ¾ù¹¤×ʺÍ2021ÄêÈ«Ê¡»ù±¾ÑøÀϽðÔ¼Ʒ¢»ùÊý£¬ÉÏÄê¶È2020ÄêÈ«Ê¡È«¿Ú¾¶³ÇÕòµ¥Î»¾ÍÒµÈËÔ±Äêƽ¾ù¹¤×ÊΪ64910Ôª(ÕÛºÏÿÔÂÊÇ5409Ôª)£¬Í¬Ê±¹«²¼Á˺ӱ±Ê¡½ñÄê2021ÄêÈ«Ê¡»ù±¾ÑøÀϱ£ÏÕÔ¼Ʒ¢»ùÊýΪ6575Ôª/Ô¡£

¡¡¡¡Òò´ËºÓ±±Ê¡´Ó½ñÄê1ÔÂ1ÈÕÆðÖ®ºó¡¢µ½¹«²¼Ð»ùÊý֮ʱ£¬ÕâÖмäÐÂÍËÐݵÄÈËÔ±£¬´ýÓö¾Í»áÒªÖØкËËãÁË£¬»¹»á²¹·¢Ö®Ç°µÄÔ·ݵIJî¶î£¬ÒѾ­ÓÐʯ¼ÒׯµÄһλÍøÓѸúÎÒ·ÖÏíÊÕµ½Á˲¹·¢µÄ²î¶î6119.16Ôª£¬¹©²Î¿¼£¬Æäʵ£¬Ã¿¸öÈ˲¹·¢µÄ²î¶î¶àÉÙÓë¸öÈ˵ÄÇé¿öÓйØϵ¡£

"С±àÕûÀí²»Ò×£¬Ð¡ÀñÎï×ßÒ»×ߣ¬Íò·Ö¸Ðл£¡"
ÔÞÉÍ
ƯÁÁÅ®È˽Ö

Õæ³ÏÔÞÉÍ£¬ÊÖÁôÓàÏã

Ïà¹Ø×ÊѶ

¸ß¸úЬµô½Åºó¸úÔõô°ì ¸ß¸úЬµô½Åºó¸ú´¦Àí·½·¨
1¡¢Èôƽʱ´©µÄÂëÊýµÄ¸ß¸úЬ´óÁË£¬¿ÉÄÜÊÇЬÂëÆ«´ó¡£¿ÉÒÔÓðëÂëЬµæ£¬µæÔÚЬµ×£¬¾Í²»ÈÝÒ×Ò»×ßÒ»µôÁË¡£ 2¡¢ÈôÊǺÏÊʵÄÂëÊý£¬³¤¶ÈÒ²ÌùºÏ¡£¿ÉÒÔÓúó¸úÌûÌùÔÚЬµÄ½Åºó¸úÄڲ࣬Æðµ½·À»¬µÄ×÷Óᣠ3¡¢Èç¹ûÊÇЬ³¤ºÍ½Å³¤²»ÎǺÏ
Ãμû¸ßÂ¥µ¹ËúÓÐʲôԤʾ Ãμû¸ßÂ¥µ¹ËúºÃ²»ºÃ
1¡¢Èç¹ûÄã×öÃÎÃμûÁ˸ßÂ¥µ¹Ëú£¬ÕâÊDz»ÏêµÄÔ¤Õ×£¬¸ßÂ¥²»½öÏóÕ÷×ÅÊÂÒµ¶øÇÒ»¹ÏóÕ÷×ÅÄãµÄÉíÌ彡¿µ£¬¸ßÂ¥µ¹ËúÊÇÔÚ°µÊ¾Äã½üÆÚÄã¿ÉÄÜ»áÉú²¡£¬ËùÒÔÄãµÃ¸ü¼Ó×¢ÒâÕÕ¹Ë×Ô¼ºµÄÉíÌ壬ÉÙ°¾Ò¹ÉټӰ࣬±Ï¾¹ÉíÌå²ÅÊǸïÃüµÄ±¾Ç®¡£ 2¡¢
°²ÏªÌú¹ÛÒôÊÇʲô²è °²ÏªÌú¹ÛÒôµ½µ×ÊÇɶ²è
1¡¢°²ÏªÌú¹ÛÒôÊôÓÚÎÚÁú²è¡£ 2¡¢Ò²ÊÇÎÒ¹úÊ®´óÃû²èÖ®Ò»£¬Ö÷²úÓÚ¸£½¨Ê¡ÈªÖÝÊа²ÏªÏØ£¬°²ÏªÌú¹ÛÒô²è¾ßÓÐÓƾõÄÀúÊ·£¬ËØÓС°²èÍõ¡±Ö®³Æ£¬ÊDzÉÕª²èÊ÷ÏÊÒ¶£¬¾­É¹Çà¡¢Ò¡Çà¡¢Á¹ÇࡢɱÇà¡¢ÇÐÈà¡¢³õºæ¡¢°üÈà¡¢¸´ºæ¡¢ºæ¸ÉÖƳɣ¬
²ØÁçÑò½ÇºÚÉ«ÓÐÊղؼÛÖµÂð ²ØÁçÑò½ÇºÚɫֵǮÂð
²ØÁçÑò½ÇºÚÉ«ÓÐÊղؼÛÖµ¡£ 1¡¢²ØÁçÑò½ÇÊÇ×°ÊÎÆ·¡£Ö»ÓÐÐÛÐԲų¤½Ç£¬ÏñÖñËñÒ»ÑùÒ»½ÚÒ»½ÚµØÍâÑÓ£¬³ÊºÚÉ«£¬²ØÁçÑò½Ç³¤0.5Ã×µ½0.8Ã×£¬ÎªÐÛÐÔ²ØÁçÑòÔöÌíÁ˼¸·ÖÍþÎäºÍÐãÃÀ£¬¿ÉÒÔ×ö×°ÊΡ£ 2¡¢²ØÁçÑò½ÇÊÇÕä¹óµÄÒ©²Ä¡£Ëü¿ÉÒÔ
¼ÆÁ¿¾­¼ÃѧÖеÄOLSÊÇʲôÒâ˼ ¼ÆÁ¿¾­¼ÃѧÖеÄOLSÒâ˼ÊÇʲô
1¡¢OLSÊÇordinary least squareµÄ¼ò³Æ£¬Òâ˼ÊÇÆÕͨ×îС¶þ³Ë·¨¡£ÆÕͨ×îС¶þ³Ë¹À¼Æ¾ÍÊÇÑ°ÕÒ²ÎÊý¦Â1¡¢¦Â2¡­¡­µÄ¹À¼ÆÖµ£¬Ê¹ÉÏʽµÄÀë²îƽ·½ºÍQ´ï¼«Ð £Ê½ÖÐÿ¸öƽ·½ÏîµÄȨÊýÏàͬ£¬ÊÇÆÕͨ×îС¶þ³Ë»Ø¹é²ÎÊý¹À¼Æ·½·¨¡£ÔÚÎó²îÏ
±£»¤»·¾³µÄÐû´«ÓïÓÐÄÄЩ ±£»¤»·¾³µÄÐû´«ÓﶼÓÐÄÄЩ
1¡¢°®»¤ÂÌ»¯£¬¾ÍÊDZ£»¤×Ô¼º¡£2¡¢Ð¡²ÝÇàÇ࣬½ÅÏÂÁôÇé¡£3¡¢°®Çàɽ£¬ÂÌË®£¬°®À¶Ì죬°×ÔÆ£¬ÈÃÉúÃüÔÚ°®ÖÐÿʱÿ¿Ì³äÂú»îÁ¦¡£4¡¢ÒÔ·¨±£»¤×ÔÈ»»·¾³£¬ÒԵ´´½¨Éç»áÎÄÃ÷¡£5¡¢ÈËÈË°®»¨²Ý£¬¿ÕÆø»·¾³ºÃ¡£6¡¢Ë®ÔÐÓýºÍά³Ö×ŵØÇòÉÏ