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13 gru 2017 · First, the DATA step sums values within a single observation. Is that what you want, or do you want a sum each variable separately, across all observations? Second, SUM returns a missing value when all the incoming values are missing. That's what gets you the note in the log.
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. Otherwise, the result is the sum of the nonmissing values.
7 mar 2021 · In SAS, you can calculate the sum of a column with PROC SQL, PROC MEANS, PROC SUMMARY, PROC UNIVARIATE, and an ordinary Data Step. PROC SQL provides the easiest way to get the column sum, while the other procedures give you more flexibility.
2 sty 2022 · If all of the arguments have missing values, the result is a missing value. If all the arguments have a null value, the result is a null value. If any argument to this function is non-numeric, the argument is converted to DOUBLE.
Descriptive Statistics Functions • functions that count missing and non missing values for SAS variables • functions that compute descriptive statistics • functions that determine the ordering of data values. Special Truncation and Mathematical Functions • special functions • functions to obtain values from previous functions ...
17 wrz 2024 · Here are examples of sum statements that illustrate various expressions. The accumulator variable is highlighted in each example: data Table2; set Table; Total + x; run;
Introduction 238 Functions That Determine the Number of Missing and Non-missing Values in a List of SAS Variables 238 Functions That Compute Sums, Means, and Medians 241 Functions That Compute the Spread or Dispersion of Data Values 244 Functions That Determine the Ordering of Data Values 247. Contents v.
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