The SAMPLE command specifies the sample range in effect. The form of the command is: SAMPLE beg end
In general, the format is:
SAMPLE beg end
where beg and end are numbers specifying the beginning and ending observation in the sample range. The expanded form (not available with the READ command) is:
SAMPLE beg1 end1 beg2 end2 ...
The SAMPLE command may be called SMPL for compatibility with old versions and other programs.