For this use you do not need to create dummy variables as the variable list of any command can contain factors and operators based ... produces the variable as when urb>50 is true Stata produces a ...
Qualitative Variables
A two-valued qualitative variable can be represented by a single 0-or-1-valued "dummy" variable. If a qualitative variable has three or more possible values (e.g., make-of-car, or marital-status), ...
Numeric Variable Length and Precision
For example: data mydata; length num 3; ...more SAS statements... run; Numeric dummy variables (those whose only purpose is to hold 0 or 1) can be stored in a variable whose length is 3 bytes. Use 3 ...
Using Predictor Variables
and seasonal dummies. You can specify seven different types of predictors in forecasting models using the ARIMA Model or Custom Model Specification windows. You cannot specify predictor variables with ...
Categorical variable
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Treatment of Missing Data--Part 1
The original version of this document spent considerable space on using dummy variables to code for missing ... But just because a variable is MAR does not mean that you can just forget about the ...
Treatment of Missing Data--Part 1
The original version of this document spent considerable space on using dummy variables to code for missing ... and standard deviations are shown in Table 1, as produced by SPSS. (The results using R, ...
Cigarette consumption and sales of nicotine replacement products
D92 = dummy variable indicating the introduction of the sales of nicotine patches (1991 quarter 4 = 0.5; after 1991 quarter 1 is 1; before 1991 quarter 1 is zero); D96 = dummy variable indicating the ...
How to Create a Dummy Webpage
If you are planning a website, perhaps for your business, creating dummy Web pages can be a helpful way to explore your ideas. Web pages use a combination of technologies, particularly HTML.
