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c_monetary
2008 Feb 06
1
box.Cox.powers() warning
Dear Rlist,
Using an example in box.cox.powers() help, I have the following warning message.
example:
library(car)
>attach(Prestige)
> box.cox.powers(income)
Box-Cox Transformation to Normality
Est.Power Std.Err. Wald(Power=0) Wald(Power=1)
0.1793 0.1108 1.6179 -7.4062
L.R. test, power = 0: 2.7103 df = 1 p = 0.0997
L.R. test, power = 1: 47.261 df = 1 p = 0