[R] predicting glm on a new dataset

From: Christian Jones <ccatj_at_web.de>
Date: Sat 25 Feb 2006 - 01:33:13 EST

Hello together,

I would like to predict my fitted values on a new dataset. The original dataset consists of the variable a and b (data.frame(a,b)). The dataset for prediction consists of the same variables, but variable b has a constant value (x) added towards it (data.frame (a,b+x).

The prediction command returns the identical set of predicted values as for the original dataset yet I would have expected them to change due to b+x.

Were have I gone wrong?

Heres my code:






many thanks


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