Stata Panel Data [ REAL — Breakdown ]

: N=5,000 workers, T=6 years (2015-2020). Variables: wage , union , experience , educ (time-invariant), id , year .

To check balance explicitly:

estimates store fe_result xtreg wage educ experience union i.year, re estimates store re_result hausman fe_result re_result If the p-value < 0.05, FE is consistent and RE is inconsistent. Use FE. If p-value > 0.05, RE is more efficient. Explains variation between panels, not within. stata panel data

Introduction: Why Panel Data Matters in Modern Research In the world of econometrics and data science, not all data is created equal. While cross-sectional data gives you a snapshot in time and time-series data tracks a single entity over time, panel data (also known as longitudinal data) combines both dimensions. It follows multiple individuals, firms, countries, or other units across multiple time periods. : N=5,000 workers, T=6 years (2015-2020)