Concatenate three data sets. Define a variable that identifies the data set from which the observation originated.
|Featured Step||DATA step|
|Featured Step Options and Statements||SET statement, IN= option|
|Related Technique 1||PROC SQL, OUTER UNION set operator and CORR keyword|
|Related Technique 2||PROC APPEND|
Data sets SPRINGGRADS, SUMMERGRADS, and FALLGRADS contain lists of biology students who graduated in spring, summer, and fall. The Student' final GPAs are included.
SPRINGGRADS Obs student concentration gpa 1 Johnson, Allison Biochemistry 3.86 2 Davis, Jeffrey General Biology 3.91 3 Hall, Daniel Genetics 3.43 4 Hill, Courtney Ecology 4.00 5 Scott, Tiffany Plant Biology 3.58 ...