Stata Interaction Terms. General interactions between continuous covariates in observational studiescovariates in observational studies focus on continuous covariates. Below we use the test command to test this partial interaction.
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Reg wage grade i race racexeduc. This video will explain how to use stata s inline syntax for interaction and polynomial terms as well as a quick refresher on interpreting interaction terms. Conducting analysis with interaction terms is straightforward in stata.
Gen racexeduc race grade 2 missing values generated.
Below we use the test command to test this partial interaction. We find that this interaction is significant. Reg wage grade i race racexeduc. P y 1 a b1 salary b2 urban b3 urban salary.
