cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 
Choose Language Hide Translation Bar
gav2013
Level II

change the reference group in a categorical variable

How do you change the reference group in a categorical variable in JMP for a regression analysis?

 

Thank you

1 ACCEPTED SOLUTION

Accepted Solutions

Re: change the reference group in a categorical variable

The reference level is generally the last level. The order is by default alphanumerical. There are a few common exceptions. You can over-ride the order by adding the Value Order column property and defining the order you want to use.

View solution in original post

1 REPLY 1

Re: change the reference group in a categorical variable

The reference level is generally the last level. The order is by default alphanumerical. There are a few common exceptions. You can over-ride the order by adding the Value Order column property and defining the order you want to use.