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Descriptive statistics such as the mean, minimum, and maximum provide useful information about numeric data. The MEANS procedure provides these and other data summarization tools, as well as helpful options for controlling your output.
The MEANS procedure can include many statements and options for specifying needed statistics. For simplicity, let's consider the procedure in its basic form. |
General form, basic MEANS procedure:
where
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In its simplest form, PROC MEANS prints the n-count (number
of nonmissing values), the mean, the standard deviation, and the minimum
and maximum values of every numeric variable in a data set.
proc means data=perm.survey;
run;
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| Variable | N | Mean | Std Dev | Minimum | Maximum |
| Item1 Item2 Item3 Item4 Item5 Item6 Item7 Item8 Item9 Item10 Item11 Item12 Item13 Item14 Item15 Item16 Item17 Item18 |
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 |
3.7500000 3.0000000 4.2500000 3.5000000 3.0000000 3.7500000 3.0000000 2.7500000 3.0000000 3.2500000 3.0000000 2.7500000 2.7500000 3.0000000 3.0000000 2.5000000 3.0000000 3.2500000 |
1.2583057 1.6329932 0.5000000 1.2909944 1.6329932 1.2583057 1.8257419 1.5000000 1.4142136 1.2583057 1.8257419 0.5000000 1.5000000 1.4142136 1.6329932 1.9148542 1.1547005 1.2583057 |
2.0000000 1.0000000 4.0000000 2.0000000 1.0000000 2.0000000 1.0000000 1.0000000 2.0000000 2.0000000 1.0000000 2.0000000 1.0000000 2.0000000 1.0000000 1.0000000 2.0000000 2.0000000 |
5.0000000 5.0000000 5.0000000 5.0000000 5.0000000 5.0000000 5.0000000 4.0000000 5.0000000 5.0000000 5.0000000 3.0000000 4.0000000 5.0000000 5.0000000 5.0000000 4.0000000 5.0000000 |