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28 Dec 2016 The SUM statement uses an implied SUM function. The SUM data new; set sashelp.class; if n=1 then cnt=.; cnt+1; run;. Submitted by Art also covers how SAS handles missing values when you sum data. . The By statement is used below in the PRINT procedure to group the DrugClass variable I am confused between what we call the statement below in the 2 It does appear both are called SUM statement. One is a Data set SUM That is, a RETAIN statement tells SAS not to set variables whose values are or UPDATE statement; a variable whose value is assigned in a SUM statement specifies a numeric constant, variable, or expression. If all the arguments have missing values, then one of the following occurs: If you use only one argument, then the value of that argument is returned. If you use two or more arguments, then a standard missing value (.) is returned. 1. DSCI 325: Handout 6 – Working with RETAIN and SUM Statements in SAS. Spring 2016. USING THE RETAIN STATEMENT. As we've mentioned before, SAS Summing Series. Simple cumulative sums are easy to compute using SAS sum statements. The following statements show how to compute the running sum of The variable is automatically set to 0 before SAS reads the first observation. The variable's value is retained from one iteration to the next, as if it had appeared in a RETAIN statement. Tip: To initialize a sum variable to a value other than 0, include it in a RETAIN statement with an initial value. 15 Dec 2006 LAST. processing, and the SUM statement. Special attention is paid to how SAS® handles missing values in each technique. INTRODUCTION.
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