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Grocer >> Basic functions > studentize

studentize

studentize a ts, a vector or a matrix

CALLING SEQUENCE

[t]=studentize(x)

PARAMETERS

Input

* x = a vector or matrix

 

Output

* t = transformed matrix or ts

DESCRIPTION

If x is a vector or a ts, substract its mean and divide by its standard deviation. If x is a matrix, do the above for each column.

EXAMPLE

load(GROCERDIR+'/data/bdhenderic.dat')
y=studentize(lm1)

AUTHOR

Eric Dubois 2002

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