[R] GAMLSS Question

From: YAddo <linkyox_at_gmail.com>
Date: Sat, 19 Mar 2011 10:03:27 -0700 (PDT)


Dear All:

I have succeeded in fitting a GAMLSS.dist model to growth data I am working with it.

My aim is to create a matrix of predicted percentiles and the corresponding the fitted model's sigma mu nu by agebins.

Q:
How do it generate these parameters as in L M S per Cole and Green 1992?

Here are my working codes.

  Name of fitted model is gamlssfit

> Agebin<-seq(6,36,6)
>centmatx

<-centiles.pred(gamlssfit,xname="agemos",xvalues=Agebin,cent=c(10,25,50,75,90))

Although I got matrix of the percentiles by agebins, I want to obtain the L M S/sigma mu nu corresponding to the same agebins.

Any help here will be appreciated.

Thanks,

Y Addo

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