I succeed to run these 6 regressions. The first 3 regressions are OLS and the last 3 columns are OLS + fixed effects.
Code:
quietly regress _contritotal afterblock age age2, vce(robust) quietly regress _contriaddition afterblock age age2, vce(robust) quietly regress _contrideletion afterblock age age2, vce(robust) xtset id week quietly xtreg _contritotal afterblock age age2, vce(robust) fe quietly xtreg _contriaddition afterblock age age2, vce(robust) fe quietly xtreg _contrideletion afterblock age age2, vce(robust) fe
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