Stata Panel Data Exclusive !link! Jun 2026

Are you worried about (like gender or region)?

This "exclusive" variance-covariance estimation ensures that your standard errors are robust to arbitrary serial correlation within the entity.

Cluster-robust standard errors are mandatory (clusters = id ):

* Create dummies named 'status_1', 'status_2', 'status_3' tabulate status, gen(status_) stata panel data exclusive

: More efficient than FE; allows the inclusion of time-invariant variables.

This two‑stage FE instrument x1 using external instruments z1 and z2 .

* Run RE with cluster-robust standard errors quietly xtreg leverage size profitability tangibility, re cluster(firm_id) xtoverid Use code with caution. A significant Are you worried about (like gender or region)

estimates store fe predict u, u // unit-specific fixed effects (residuals) predict xb, xb // linear prediction xtline xb, overlay // fitted trends by unit

xtreg y x1 x2, fe vce(cluster panel_id)

Use the xtset command to define the cross-sectional identifier ( ) and the time identifier ( This two‑stage FE instrument x1 using external instruments

For more on declaring data, visit the Stata Manual for xtset . 2. Exclusive Variable Generation

testparm i.year // after FE regression

xtreg y x, fe absorb(z1 z2 z3)