25 Working with categorical data and factor variables
We (wisely) told Stata to generate the new variable agecat as a byte thus conserving memory. We can create the same result with one command using the recode()
xi — Interaction expansion
by creating new variables and in the second syntax (xi: any stata command)
26 Working with categorical data and factor variables
We (wisely) told Stata to generate the new variable agecat as a byte thus conserving memory. We can create the same result with one command using the recode()
Stata Tip 52: Generating Composite Categorical Variables
If you have two or more categorical variables you may want to create one composite categorical variable that can take on all the possible joint values.
STATA FUNDAMENTALS
THE GENERATE COMMAND. CREATING DUMMY VARIABLES. REGRESSIONS. LINEAR REGRESSION. PROBIT MODELS. WRITING A PROGRAM: DO-FILES. RECORDING OUTPUT: LOG FILES.
Speaking Stata: How best to generate indicator or dummy variables
21 sept. 1983 The term “dummy variable” for a variable encoded with values of 0 and 1 seems to have arisen around 1950 in statistical science. Freedman (2009 ...
Basic Regressions and Panel Data in Stata
14 sept. 2011 Stata's regress command runs a simple OLS regression ... To create dummy variables based on categories of another variable use the tabulate ...
Title Syntax Menu Description
xi [ prefix(string) noomit ] : any stata command varlist with terms . creates dummies for categorical variables varname1 and varname2:.
Panel Data Analysis Fixed and Random Effects using Stata
(interaction expansion) to automatically generate dummy variables. 21. NOTE: In Stata 11 you do not need. “xi:” when adding dummy variables.
Getting Started in Data Analysis Using Stata
Three way crosstabs (with average of a fourth variable). ?. Creating dummies. ?. Graphs. ? Scatterplot. ? Histograms. ? Catplot (for categorical data).
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