Transcription of Working with categorical data and factor variables
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Working with categorical data and factor variables
25 Working with categorical data and factor , categorical , and indicator continuous variables to indicator continuous variables to categorical with factor factor base base levels significance of a main indicator (dummy) variables as factor significance of factorial squared terms and Including interactions with continuous Parentheses Including indicators for single Including subgroups of Combining factor variables and time-series Treatment of empty Continuous, categorical , and indicator variablesAlthough to Stata a variable is a variable, it is helpful to distinguish among three conceptual types: Acontinuous variablemeasures something.
25 Working with categorical data and factor variables Contents 25.1Continuous, categorical, and indicator variables ... Sometimes, categorical variables are stored as strings. An indicator variable denotes whether something is true. For example, is a person a veteran, does a city have a mass transit system, or is a company profitable?
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