Articles by author Tim R. Sass

A review of Stata commands for fixed-effects estimation in normal linear models

D. F. McCaffrey, J. R. Lockwood, K. Mihaly, and T. R. Sass. 2012.

Stata Journal Volume 12 Number 3.

Centering and reference groups for estimates of fixed effects: Modifications to felsdvreg

K. Mihaly, D. F. McCaffrey, J. R. Lockwood, and T. R. Sass. 2010.

Stata Journal Volume 10 Number 1.