Hi Everyone,

I would like to scale a data frame and then using the same scaling
parameters scale on another data frame. This will be helpful in scaling the
test dataset based on train dataset's scaling parameters. I couldn't find
any utility functions that do this. Any suggestions on how to approach this
problem?

x = data.frame(a=1:10,b=11:20)
y = data.frame(a=2:11,b=12:21)
s <- scale(x)
###
### would like scale 'y' using the parameters contained in 's'

Thanks,
-e

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