[R] Fitting a model to a test set

[Kuhn, Max]

Des,

Please provide some information (like the results of sessionInfo) and
example code for your model. Did you use gee to fit the model and with
what function? If could be that you need to examine the type argument of
the predict function to make sure that you are getting the scale that
you are interested in.

Max
 

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Des Callaghan
Sent: Sunday, June 24, 2007 3:49 PM
To: r-help at stat.math.ethz.ch
Subject: [R] Fitting a model to a test set

Dear Forum members,
 
I have created a quasi-poisson model from a training dataset and now
wish to
use the model to estimate y values for a test dataset, in order to
validate
the model. The trouble is I can't figure out how to estimate y values
for
the test set using the model derived from the training set. I've been
fiddling about with predict(), but can't seem to get the desired result.
Could somebody help please? Thanks very much in advance.
 
Best wishes,
Des
 

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