MULTIPLE LOGISTIC REGRESSION: REF CAT... PreviousNext
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 zanna clay posted on Thursday, July 10, 2008 - 10:31 am
Hi

the categories of my dv are very different and so im unsure which i should select as my reference category for multinomial logistic regression?

when i use the last reference category, i get sero values (.) for some of my predicotrs, as i think that these predictors are not important in that particular reference category, but in other categories. how do i overcome this porblem and know hw to select a reference category that can reflect the predictors contributions properly?

many thanks

sorry if this message appears twice
 zanna clay posted on Thursday, July 10, 2008 - 10:33 am
i meant multinomial logistic regression, not multiple as written in title!
 Linda K. Muthen posted on Thursday, July 10, 2008 - 3:11 pm
The choice of reference category makes a difference - and it should because you are discussing different effects with different reference categories. For further information on multinomial logistic regression, see a textbook on categorical data analysis like Agresti.
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