Displaying 1 result from an estimated 1 matches for "regressoin".
Did you mean:
regression
2011 Nov 03
2
variable transformation for lm
...seemed to be skewed
and I can't meet the model assumptions. Therefore
I need to transform my variables.
I wanted to ask what is the preferred way to find out
if predictor and/or response needs to be transformed
and if yes how (log-transform?).
I found a procedure in "A modern approach to Regressoin
in R" (Sheather, 2009): There they suggest an approach
with the function bctrans from alr3...but it seems that it
is deprecated. So what is the best way (box-cox test) find the best
transformation for predictor and response simultaneously?
AFAIK boxcox from MASS is used only used for transform...