please try to install combinat and randomForest first with

install.packages("randomForest")
install.packages("combinat")


and then

install.packages("cem",repos="http://r.iq.harvard.edu", type="source")


best regard

Stefano

On 04/apr/2013, at 12:35, Hannah Smidt <hsmidt@staff.mail.uni-mannheim.de> wrote:


Dear all,

when installing the cem package in R2.15 I receive the following error message.


install.packages("cem",repos="http://r.iq.harvard.edu", type="source")

Warning in install.packages :
 package ?cem? is not available (for R version 2.15.2)

Installing package(s) into ?C:/home/R/win-library/2.15?
(as ?lib? is unspecified)

Warning in install.packages :
 dependencies ?randomForest?, ?combinat? are not available
trying URL 'http://r.iq.harvard.edu/src/contrib/cem_1.1.4.tar.gz'
Content type 'application/x-gzip' length 889628 bytes (868 Kb)
opened URL


I would be very grateful for any advise on how to make cem work.

Kind regards,
Hannah



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-----------------------------------
Stefano M. Iacus
Dipartimento di Economia, Management
e Metodi Quantitativi
Universita' di Milano
Via Conservatorio, 7
I-20123 Milano
Tel: 02 50321 461
Fax: 02 50321 505
Twitter: @iacus

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