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- How to create a category nominal variable with more than 2 levels from an JMP da...

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Sep 9, 2015 8:42 AM
(4877 views)

New to JMP - just wondering how to create a >2 category nominal variable from an existing continuous JMP dataset variable? Thanks!

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Sep 9, 2015 10:42 AM
(6365 views)

Hi Al,

Let's say you have a continuous column named A with values between zero and one. Create a column named B, character data type and nominal modeling type. Build a formula for B as follows:

You can add an arbitrary number of clauses to the If function using the caret "^" button in the formula builder.

Best,

Jordan

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Sep 9, 2015 4:08 PM
(6364 views)

Jordan is right and that is probably what i would use most of the time. Yet, the fancy way to go about it would be to install this add in:

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Sep 9, 2015 10:42 AM
(6366 views)

Hi Al,

Let's say you have a continuous column named A with values between zero and one. Create a column named B, character data type and nominal modeling type. Build a formula for B as follows:

You can add an arbitrary number of clauses to the If function using the caret "^" button in the formula builder.

Best,

Jordan

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Sep 10, 2015 7:25 AM
(4654 views)

Thank you!

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Sep 9, 2015 2:56 PM
(4654 views)

In JMP 12 there is an option *Make Binning Formula*. It's found in *Cols/Utilities *that may do what you need*. *I think it is limited to equal-width bins.

(On my machine it doesn't work at all, which seems to be related to me using comma as decimal delimiter which breaks the graphics script. If changing to an OS with english localization, the *Make Binning Formula* works beautifully).

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Sep 10, 2015 7:25 AM
(4654 views)

Thank you!

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Sep 9, 2015 4:08 PM
(6365 views)

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Sep 14, 2015 5:55 AM
(4654 views)

If you have a lot of categories, another approach would be to use the Loc Sorted() function, with or without a lookup table. The following link takes you to a tutorial:

http://blogs.sas.com/content/jmp/2014/04/02/lookup-tables-in-jmp/

Cheers,

Brady