三个变量贡献率怎么算
三个变量贡献率为贡献率等于某因素贡献量除以总贡献量乘百分之10。根据查询相关公开信息显示，献率也用于分析经济增长中各因素作用大小的程度。绛旓細鍙橀噺璐＄尞鐜鏄寚鏌愪釜鑷彉閲忓鍥犲彉閲忓彉鍖栫殑璐＄尞绋嬪害銆傚湪缁熻瀛﹀拰鏁版嵁鍒嗘瀽涓紝鍙橀噺璐＄尞鐜囩殑璁＄畻寰寰鐢ㄤ簬鍥炲綊鍒嗘瀽銆佹柟宸垎鏋愮瓑妯″瀷涓傞氳繃璁＄畻鍚勪釜鍙橀噺鍦ㄦā鍨嬩腑鎵鍗犵殑姣斾緥锛屽彲浠ユ洿鍔犳繁鍏ュ湴浜嗚В鍚勪釜鍙橀噺鐨勪綔鐢ㄥ強褰卞搷绋嬪害銆傚湪鍥炲綊鍒嗘瀽涓紝鍙橀噺璐＄尞鐜囬氬父鐢ㄤ簬鍒ゆ柇妯″瀷鐨勬嫙鍚堢▼搴﹀強鍙潬鎬с傚鏋滃悇涓嚜鍙橀噺鐨勮础鐚巼姣旇緝...
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绛旓細鍙橀噺璧嬪垵濮嬪硷細set @sum_p:=0;set @sum_h:=0;select *,@sum_p:=@sum_p+p as running_sum,@sum_h:=@sum_h+1 as row_num from (select userid,sum(price) as p from orderinfo where isPaid='宸叉敮浠'GROUP BY userid ORDER BY p desc) as a)3.璁＄畻绱璐＄尞鐜 select *,row_...
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