The variable SHIFT1 specifies a 10-hour workday, with one nonwork period (a lunch
hour); the variable SHIFT2 specifies a 4-hour workday with no nonwork periods.
How Missing Values Are Treated
The missing values default to 00:00 in the first observation and to 24:00 in all other
observations. Two consecutive values of 24:00 define a zero-length time period, which
is ignored.
Examples
See “Example 3: Multiple Schedule Calendars with Atypical Work Shifts (Separated
Output)” on page 214
Missing Values in Input Data Sets
The following table summarizes the treatment of missing values for variables in the data
sets used by PROC CALENDAR.
Table 8.9Treatment ...
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