HI all,
Does qregpd allow for two different types of fixed effects (e.g., individual and time). Is that what id() and fix() do? Or is the fixed effect limited to the single variable in fix()?
Thanks
Does qregpd allow for two different types of fixed effects (e.g., individual and time). Is that what id() and fix() do? Or is the fixed effect limited to the single variable in fix()?
Thanks
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