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    Difference of measures when classified and unclassified data

    Hi all, I have 100 values and I have found some values when the data are ungrouped and when they are seperated into 8 classes. My results are the following : Measures | data | classified data =============================== Lowest Value 4,192 4,192 Maximum Value 21,240...
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    Discriminant Analysis Within-Group versus Separate-Group Covariance Matrices Predict

    Hi, I'm hoping someone can help. I have ran a discriminant analysis along with the prediciton rates for the 5 groups in my study. I am wondering the reason why I get different prediction rates when using within-group versus separate group covariance matrices even though my coefficients are...