A variable contains a set of observations (numeric data). A common type of variable is a macroeconomic time series observed at equally spaced time intervals such as annual, quarterly or monthly. A variable could also contain cross-sectional data observed on individuals, households, industries or regions collected at one point in time.
Each variable has a name assigned by the user. SHAZAM variable names may consist of letters and numbers and start with a letter. Variable names may be up to 8 characters long.
What is a good variable name ?
Textbooks in statistics and econometrics often talk about variables like Y and X1, X2, X3. These are general names that give no descriptive information. A sensible approach is to assign a variable name that is descriptive of the type of data.
For the Theil textile data set SHAZAM variable names that may be appropriate to assign are:
Alternatively, the following variable names could be used for this data set:
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