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Thread: Another question about regression

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    Another question about regression




    First, thank you to John and Quark for responding to my question about multiple regression!!!!

    I have another question. I am using SPSS and working with dummy and effect coding. In order to determine the total variance in a variable determined by the different groups, would I square the part correlation of each group in order to find out how much each of the groups contribute.

    Thanks a bunch!!!

    Diane

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    Yes, that's correct. If you go to the following link, it will give a detailed explanation of part correlation:

    http://www2.chass.ncsu.edu/garson/pa...tialr.htm#part

    Scroll down to the section heading:
    What is part correlation (semi-partial correlation)? Compare to partial correlation.

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