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Re: Comparing 2 regression models with same DV and different IVs

Posted by Matthias Spörrle on Mar 16, 2011; 6:02am
URL: http://spssx-discussion.165.s1.nabble.com/Comparing-2-regression-models-with-same-DV-and-different-IVs-tp3759374p3761919.html

Hi John,

for regression analysis you might want to use
- the corresponding commands implemented in MBESS (e.g., ci.R2) or
- the program R2 (Steiger & Fouladi, 1992)
in order to compute the CI of R-squared.

HTH
M


On Wed, Mar 16, 2011 at 6:21 AM, Johncrawford <[hidden email]> wrote:

> I would like to know how to obtain the statistical significance of the
> difference in R-squareds obtained from 2 regression equations, in the same
> sample, and with the same dependent variable, but with different sets of
> predictor variables. I would also like to know the answer to the similar
> question with logistic regression. That is, how to obtain the statistical
> significance of the differences in predictive ability for two models, with
> the same binary dependend variable, but with a different set of predictors.
> Help much appreciated.
>
>
>
>
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