help > RE: Questions on design matrix (time x group interaction)
Apr 28, 2023  11:04 PM | Andrew Zalesky
RE: Questions on design matrix (time x group interaction)
Yes - that sounds reasonable. 

Also, the interaction term can be modelled in several ways. 
Originally posted by Chris Pae:
Hi Andrew,

Thank you for the comment. I guess I was overthinking it.

According to your comment, only the "patient group" and "time=1" sections in the interaction column should be assigned a value of 1, while the rest should be 0. Please let me know if I have understood correctly.

Thank you again for your kindness in answering my very basic question. 

Chris

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Chris Pae Apr 28, 2023
Andrew Zalesky Apr 28, 2023
Chris Pae Apr 28, 2023
RE: Questions on design matrix (time x group interaction)
Andrew Zalesky Apr 28, 2023