[R] proc standardize & data frame x and y

hadley wickham h.wickham at gmail.com
Sun Aug 13 13:27:59 CEST 2006


> 1) Can someone recommend an equivalent to SAS PROC Standardize in R?  I
> am in need to frequently standardize a data frame, with z-scores, or
> squash to 0-1 scale - is there a slick function or package someone can
> recommend?

You could try rescaler in the reshape package.  It currently supports
five column wise rescaling/standardisation methods (common range,
common variance, robust equivalent, rank, do nothing), and I could add
more if needed.

Regards,

Hadley



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