Date: Fri, 21 May 2010 08:58:09 -0400
Reply-To: Ryan Black <ryan.andrew.black@gmail.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: Ryan Black <ryan.andrew.black@gmail.com>
Subject: Re: Predictions from glm modelling?
In-Reply-To: <BB6A5D6C4837734799B77BEE278664BD0263307E4214@CSU131.nll.se>
Content-Type: multipart/alternative;
Robert,
Are you trying to predict weight and height simultaneously?
Ryan
On Fri, May 21, 2010 at 3:45 AM, Robert Lundqvist
<Robert.Lundqvist@nll.se>wrote:
> I have got this set of data where the goal is to build a glm model with
> actual weight and height as dependent variables and questionnaire data
> (stated weight and height, gender,...) as predictors. When the modelling is
> done, I want to use another dataset with the same variables to make
> predictions, using the model from the first step. Is there any neat way to
> do such predictions? It could naturally be done by setting up a linear
> combination using the coefficients from the modelling step in the new
> dataset, but it seems a bit awkward. Any suggestions for a simpler solution?
> A matrix approach should work, but it doesn't seem that easy to build the
> needed matrices from the SPSS output. Am I missing something obvious here?
>
> Robert
> **********************
> Robert Lundqvist
> Norrbotten regional council
> Lulea
> Sweden
>
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