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wdtr
2007 Sep 19
1
x and y coordinates (Rfwdmv Package)
...oblem:
I have a dataset with skewed distributions. In order to obtain approx
multivariate normality by a Box-Cox-Transformation, I used the "Rfwdmv
Package" to estimate a common value of lambda for all the variables.
Therefore I entered the following R commands:
data(my.dat)
l.mle <- fwdtr(my.dat, lambda = 1/3, one.lambda = TRUE)
l.profile.mle <- profile.fwdtr(l.mle)
fwdtrProfilePlot(l.profile.mle)
fwdtrMlePlot(l.mle).
Everything worked well so far and I obtained the plots in question.
The problem is: In these plots I just can see that lambda is roughly
around 1.4, but it could...