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Summary Statistics in SAS - Mark Irwin

Summary Statistics in SASS tatistics 135 Autumn 2005 Copyrightc 2005 by Mark E. IrwinSummary Statistics in SAST here are a number of approaches to calculating Summary Statistics most common three are PROC MEANSP rovides data summarization tools to compute descriptive Statistics forvariables across all observations and within groups of observations. PROC UNIVARIATEC alculates many of the Statistics thatPROC MEANS plus some standardunivariate graphical summaries, comparison of data to fixed distributions,and parameter estimation PROC TABULATED isplays descriptive Statistics in tabular format, using some or all of thevariables in a data set. You can create a variety of tables ranging fromsimple to highly Statistics in SAS1 PROC TABULATE computes many of the same Statistics that are computedby other descriptive statistical procedures such asPROC MEANS,PROCFREQ, andPROC :Roofing Shingle SalesData on sales last year in 49 sales districts were collected for a maker ofasphalt roofing shingles.

PROC MEANS † Calculates descriptive statistics based on moments † Estimates quantiles, which includes the median † Calculates confldence limits for the mean † Identifles extreme values † Performs a t test. PROC MEANS 3

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