Saturday, July 4, 2020

vce(cluster var1 var2) varlist not allowed r(101)

Hi!,

I am trying to run fixed effect with two-way clustering. For instance:
reghdfe capx x1 x2, absorb(firmid) vce(cluster firmid year) But after the regression output, it is showing that:

vce(cluster firmid year) varlist not allowed r(101);

I am using stata 16. Please give me some suggestions.

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