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I am attempting to conduct a binary logistic regression but I have come to a roadblock relating to multicollinearity. I originally conducted a latent class analysis which resulted in the identification of two classes however now I am interested in investigating whether or not my variables (all categorical) can predict the class that an individual is categorised into? However because variables were able to produce classes does that not mean they are correlated and consequently does that not mean I can't do the logistic regression? I have seen papers use logistic regression following on after latent class analysis so is this ok? Some of them seem to run series of logistic regression analyses is this a way to combat multicollinearity?

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  • $\begingroup$ please help me my analysis is due tomorrow $\endgroup$ – Amber Shrestha Mar 19 '15 at 20:03
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I think it is important to realize what a binary logistic regression really does.

Say your input is a continuous variable X, and you regress it on binary Y using binary logistic regression and then forecast fitted values you can have any value in between of 0 and 1. A value of 0.40 is a possible outcome as well, which you can interpret as it being a 0. Outcomes larger than 0.5 are to be considered a 1 in case you want to predict something!

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  • $\begingroup$ 0-ac.els-cdn.com.library.ucc.ie/S0167527315002272/… so are you saying it is not suitable for what I want it to do? I have linked you a paper that did what I am desperately trying to do.. I just wish I knew how they go over the roadblock of collinearity $\endgroup$ – Amber Shrestha Mar 19 '15 at 20:32
  • $\begingroup$ Can you suggest any other method that I might use to predict whether or not an individual would be classified into a specific class based on a their response to a categorical variable? $\endgroup$ – Amber Shrestha Mar 19 '15 at 20:33

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