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2006 Feb 01
1
output hessian matrix in constrOptim
Hi,
Is there any way to get the hessian matrix from the "constrOptim" function without supplying gradient function? Thanks.
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Bring words and photos together (easily) with
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2013 Apr 09
0
Simple GLS regression with CAPER
...I used
http://iktp.tu-dresden.de/~prudent/Divers/R/toy.R
with the tree
http://iktp.tu-dresden.de/~prudent/Divers/R/toy3.tree
and the data
http://iktp.tu-dresden.de/~prudent/Divers/R/toy_cor100.data
just copy the .tree and .data files and run
> R
> source("toy.R")
(please find the outpt below)
Am I doing anything wrong?
Thanks in advance,
regards,
Xavier Prudent
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>>>>>>> Regression #2
Call:
pgls(formula = t1 ~ t3, data = cdat)
Coefficients:
(Intercept) t3
0 1
Call:
pgls(formula = t1 ~ t...