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<p class="MsoNormal">Hi  , <o:p></o:p></p>
<p class="MsoNormal">Anyone knows in generating a GLM/ logistic regression model using both categorical and non-categorical data:
<o:p></o:p></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoNormal" style="margin-left:0in;mso-list:l1 level1 lfo3"> how should I treat with coefficient with insignificant p-values?  Should I include them in the model? And how should I interpret the model with insignificant coefficient ( even after stepwise
 process) ? <o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l1 level1 lfo3">If I want to see their effect size then should I standardize (zscore) the predictors first?<o:p></o:p></li><li class="MsoNormal" style="margin-left:0in;mso-list:l1 level1 lfo3">If I have unbalanced data for training a logistic regression model ( suppose in my database, I have 1000 pairs for output category ‘1’ and only 50 data for output category ‘2’)  then how
 should I select the training data size?<o:p></o:p></li></ol>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best,<o:p></o:p></p>
<p class="MsoNormal">Iman<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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