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Hi,

I am not used to working with panel pages. I want to create a series where I take the difference between a variable and a particular cross section of that variable. In a pool-setting, this can be done by defining the reference cross section !ref and then using the command:
where id is the pool identifier. How can I do a similar operation in a panel workfile?
t

Probably easier ways, but I think this works: Where replace the @crossid=1 bit by whatever cross-section you want to minus.

great, thanks!
t

Since this is panel data are you using fixed effects or random effects or is this simply OLS?

If you are just using OLS it is possible that your estimates will turn out biased.