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Jun 22, 2016 2:24 PM
(690 views)

In JMP, how to adjust the encoding of categorical variables in a regression model?

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Jun 23, 2016 4:52 AM
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Jun 23, 2016 5:36 AM
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As far as I know, if you want to use dummy-coding instead of effect-coding in your models you will have to create the dummy-variables manually.

In most recent versions of JMP you can do so by "Cols=>Utilities=>Make Indicator Columns". Then use the dummy-variables as factors in your model (of course you should only use all but one).

Hope that helps.

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Jun 23, 2016 8:19 AM
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Jun 23, 2016 9:14 AM
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**Indicator Parameterization Estimates** that does just that.