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!goto proc
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!goto proc
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!endif
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!endif
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slib_title=Variance
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slib_parms=1\
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slib_parms=1\
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 ,[data] or [data],[weight]
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 ,[data] or [data],[weight]
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slib_author=Bernadette PERRIN-RIOU
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slib_author=Bernadette PERRIN-RIOU
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slib_out=standard variance of data x_1,..,x_n = sum(x_i^2-mean)/n, sum(x_i^2-mean)/(n-1)
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slib_comment=Data and weight can be recognized under many formats, \
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 in particular as a matrix (with data before weight).
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slib_example=[2,-7,6]\
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slib_example=[2,-7,6]\
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[2,-7,6;1,1,4]\
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[2,-7,6;1,1,4]\
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[2,-7,6],[1,1,4]
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[2,-7,6],[1,1,4]
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slib_require=pari
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slib_require=pari
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!exit
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!exit