成管會-變異數公式 - 會計
By Lily
at 2013-12-27T19:58
at 2013-12-27T19:58
Table of Contents
想請問板上大大：
成管會第三章的迴歸公式，有沒有人可以幫忙解釋一下呢？
因為覺得不太好記憶：Ｐ
b=sum(AB)-Sum(A)*Sum(B)/N
________________________
Sum(A^2)-(SumA)^2/N
r^2=b(Sum(AB)-Sum(A)*Sum(B)/N
------------------------
Sum(B^2)-(SumB)^2/n
感恩！
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at 2013-12-29T05:11
at 2013-12-29T05:11
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