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Dear colleagues, How to interpret adjusted p-value>0.05 of a predictor, which has entered into the model (stepwise multiple logistic regression - SAS)? The predictor is associated with the...
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Dear colleagues, My Mendeley has crashed with a message "Mendeley is feeling very poor at the moment" What is happening? What to do? Best regards, Paulo
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Dear colleagues, How to compare frequencies in a 3x2 contingency table? We've observed frequencies of 3 categorical variables within two independent groups, and we would like to test the null...
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Dear friends, If we can not control the levels of a factor which is usually defined a priori such as "time" (e.g. time 1, 2 ,3 and 4), should we consider it a random factor? Example: We've got an...
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