* Analysics of Variance for Hourly Wages
*
* Keywords:
*     regression, ols, dummy, anova, hourly, wages
*
* Description:
*     We illustrate how to perform an Analysis of Variance for Hourly Wages
*
* Author(s):
*     Skif Pankov
*
* Source:
*    Damodar N. Gujarati and Dawn C. Porter, Basic Econometrics - 5th Edition
*    McGraw-Hill International Edition, Chapter 9, Example 9.2 (page 283)
*
sample 1 528

* Reading the datafile and naming variables
read(data_9.2.shd) wage mar reg

* Running an OLS regression of wage on dummies mar and reg, 
* performing an Analysis of Variance
ols wage mar reg / anova

stop