The data set descriptor
The first observation
The program data vector
The _N_ and _ERROR_ automatic variables
Incorrect values and formats
Invalid options or variable names
Missing or invalid punctuation
Missing or misspelled keywords
Once for each compilation phase.
Once for each DATA step statement.
Once for each record in the input file.
Once for each variable in the input file.
The automatic variables _N_ and _ERROR_ are incremented by one.
The DATA step stops execution.
The descriptor portion of the data set is written.
The values of variables created in programming statements are re-set to missing in the program data vector.
IDnum Item InStock BackOrd Total
Item IDnum InStock BackOrd Total
Total IDnum Item InStock BackOrd
Total Item IDnum InStock BackOrd
Data set variables will contain missing values.
The DATA step does not compile.
The DATA step still compiles, but it does not execute.
The DATA step still compiles and executes.
Missing semicolon on the second line
Missing semicolon on the third line
Incorrect order of variables
Incorrect variable type
A keyword was misspelled in the DATA step.
A semicolon was missing from the INFILE statement.
A variable was misspelled in the INPUT statement.
A dollar sign was missing in the INPUT statement.