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Sep 9, 2015 8:42 AM
(7144 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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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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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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Re: How to create a >2 category nominal variable from an existing continuous JMP dataset variable?

Thank you!

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Re: How to create a >2 category nominal variable from an existing continuous JMP dataset variable?

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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Re: How to create a >2 category nominal variable from an existing continuous JMP dataset variable?

Thank you!

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Re: How to create a >2 category nominal variable from an existing continuous JMP dataset variable?

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