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The opinions expressed herein are my own personal opinions and do not represent anyone else's view in any way, including those of my employer.
© Copyright 2013
The opinions expressed herein are my own personal opinions and do not represent anyone else's view in any way, including those of my employer.
© Copyright 2013
算術平均數:
註:在atomurl.net/math中的code是:
\mu _x = A + \frac{h}{n}\sum\limits_{i = 1}^k {f_i d_i }
標準差:
註:在atomurl.net/math中的code是:
\sigma _x = h\sqrt {\frac{1}{n}\sum\limits_{i = 1}^k {f_i d_i ^2 } - (\frac{1}{n}\sum\limits_{i = 1}^k {f_i d_i } )^2 }
標準差的証明，請打開下列檔案:
另，
X與 Y兩組資料的相關係數 r和Y對X的迴歸式的迴歸係數 b公式:
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