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fact >> Data management > standardize

standardize

divides each column by its standard deviation

Calling sequence

[x_std,std] = standardize(x,nbr);

Arguments

x:

a matrix (n x q) or a Div structure

(nbr)

any numerical or string character; if present, the standardization is processed with (n-1) instead of the default value n

x_std:

a Div structure obtained by dividing the columns of x by their standard deviation

std:

the standard deviations

std.d is a vector (1 x q)

Example

[x_std,val_std]=standardize(x)

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