Identifies class variables for the table. Class variables determine the categories that PROC TABULATE uses to calculate statistics. Tip: You can use multiple CLASS statements. Tip: Some CLASS ...
Some important points to revise from the chapter are: • An equation of the form ax + by + c = 0, where a, b and c are real numbers, such that a and b are not both zero, is called a linear equation in ...
specifies that, at most, the first n characters of a CLASS variable label be used in creating labels for the corresponding dummy variables. specifies the sorting order for the levels of classification ...
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