Given the AIRPLANES data set
The following SAS program is submitted:
set airplanes(keep = type mpg load);
load = mpg * 150;
The program fails to execute due to syntax errors.
What is the cause of the syntax error?
A . MPG is not a numeric variable.
B. LOAD is not a variable in the data set GT100.
C. LOAD is not variable in the data set AIRPLANES.
D. LOAD must be defined prior to the SET statement.