Message-ID: <1344193778614-4639227.post@n4.nabble.com>
Date: 2012-08-05T19:09:38Z
From: stella
Subject: Problem with segmented function
Hi,
I appreciate your help with the segmented function. I am relatively new to
R. I followed the introduction of the 'segmented'-package by Vito Muggeo,
but still it does not work.
Here are the lines I wrote:
data_test<-data.frame(x=c(1:10),y=c(1,1,1,1,1,2,3,4,5,6))
lr_test<-lm(y~x,data_test)
seg_test<-segmented(lr_test,seg.Z~x,psi=1)
/error in segmented.lm(lr_test, seg.Z ~ x, psi = 1) :
A wrong number of terms in `seg.Z' or `psi'/
Thank you very much,
Stella
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