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14 sty 2022 · You can use the COALESCE function in SAS to return the first non-missing value in each row of a dataset. The following example shows how to use this function in practice.
The COALESCE function checks the value of each column in the order in which they are listed and returns the first nonmissing value. If only one column is listed, the COALESCE function returns the value of that column.
In addition, SAS’s built-in functions are the add-on tools to increase the power of PROC SQL. In this paper, we illustrate ten popular SAS functions, which facilitate the capacity of PROC SQL in data management and descriptive statistics.
27 sty 2022 · If you want to test if CODE matches any of the CODE1 to CODE3 values then use WHICHC (). First let's make some workable example data steps. data test1; a_row+1; input code $15.; datalines; a b c c ; data test2; b_row+1; input (code1-code3) (:$20.); datalines; a b c . b a c . .
22 mar 2016 · This tutorial explains how to use the COALESCE function in SAS, along with examples. Introduction : COALESCE Function. The COALESCE function is used to select the first non-missing value in a list of numeric variables. In other words, it returns the first non-blank value of each row.
proc sql; select coalesce(s.Flight,d.Flight) as Flight, Supervisor, Destination from fltsuper s full join fltdest d on s.Flight=d.Flight; When the Position of the Values Is Important. When you want to merge two tables and the position of the values is important, you might need to use a DATA step merge.
11 maj 2011 · The COALESCE function enables you to process these data with a single function call instead of writing multiple IF-THEN/ELSE statements. The following program provides a small example of the COALESCE function. The data set B has 10 observations and two variables.
