topic Re: How do I get "Group Y by..." option in "Fit Y by X" platform (why it doesn't work) in Discussions

How to use correctly "Group Y by..." option in "Fit Y by X" platform?

Nic — Sun, 11 Jun 2023 11:28:16 GMT

How to use correctly "Group Y by..." option in "Fit Y by X" platform?

Re: How do I get "Group Y by..." option in "Fit Y by X" platform (why it doesn't work)

statman — Fri, 07 Oct 2022 16:18:35 GMT

First, welcome to the community.

Use the Group by when running the platform Fit Y by X. I have added the script to your data table.

Re: How do I get "Group Y by..." option in "Fit Y by X" platform (why it doesn't work)

Nic — Fri, 07 Oct 2022 20:50:04 GMT

What am I doing wrong?

Re: How do I get "Group Y by..." option in "Fit Y by X" platform (why it doesn't work)

Jeff_Perkinson — Fri, 07 Oct 2022 18:45:06 GMT

Can you explain how it's not working for you? The Group By option will cause the Fit commands to perform one fit for each level of the grouping variable.

I used your data table and and ran Fit Y by X with myX and myY respectively.

Then I chose the "Group By..." option from the Bivariate menu and used Name as the Grouping variable.

Then fit a line and got this result: