I'd bin the idea of using stepwise regression, if I were you. It's an entirely pointless and atheoretical way of fitting a statistical model. As a primer, look up what Frank Harrell has to say about it.

C

On 15 February 2016 at 16:21, Tomke Lindena <TomkeLindena@web.de> wrote:
Hi,
 
after calculating an ordered logit regression I wanted to delete variables by using "stepwise regression", but it is not working. "data error" (Datenfehler!) occurs.
I already had a look for the collinearity and deleted some variables (collinearity around 3) on my own and tried stepwise regression again, but still "data error".
Is there a solution for my problem?
 
regards and many thanks
 
Tomke
 
 
 

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--
Clive Nicholas

"My colleagues in the social sciences talk a great deal about methodology. I prefer to call it style." -- Freeman J. Dyson