Quick Tips
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A SAS program contains one or more steps, and each step is a sequence of statements.
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Every SAS statement ends with a semicolon.
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Your SAS program is constructed of DATA and PROC steps.
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In SAS, there are two data types or variable categories—numeric (quantitative), or character (qualitative).
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Missing data can be read in SAS. A missing value is noted with a period (.) for numeric data and with a blank space for character data.
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