Returns a time interval that is aligned between two dates.
Category: | Date and Time |
specifies a SAS expression that represents a SAS date or datetime value, or an observation.
Tip | Observation numbers are more likely to be used as arguments if date or datetime values are not available. |
specifies whether the arguments are SAS date values, datetime values, or observations.
d | specifies that argument-1 and argument-2 are date values. |
dt | specifies that argument-1 and argument-2 are datetime values. |
obs | specifies that argument-1 and argument-2 are observations. |
obs
. If Jason used the gym the first time
and the 25th time that a researcher recorded data, you could determine
the interval by using the following statement: interval=intfit(1,25,'obs');
.
In this case, the value of interval is OBS24.2.
data a; length interval $20; date1='01jan11'd; do i=1 to 25; date2=intnx('day', date1, i); interval=intfit(date1, date2, 'd'); output; end; format date1 date2 date.; run; proc print data=a; run;