LINC Programming Reference Manual - Public Support Login - Unisys

References
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ON.CHANGE (OCH)
Frame Comment GLB.CHANGE is
4 Customer summary CUST.CUSTNO
5 Branch summary CUST.BRANCH
1 Branch heading CUST.BRANCH
2 Customer heading CUST.CUSTNO
3 Multiple customer account records ...
... and so on ...
‘‘ON.CHANGE; Statistical Routines’’.
‘‘GLB.CHANGE’’.
ON.CHANGE; Statistical Routines
Standard statistical routines are available in association with the ON.CHANGE; command
in Report main logic.
Calculations are based on the values of a source data item at each iteration of the loop
containing the ON.CHANGE; command, and on the number of iterations.
The result of the statistical routine is stored in a numeric data item, and can be accessed in
the footer. This data item will usually be included in the Frame, although this is not
compulsory. If the item is not part of the Frame, set its value to zero or spaces in the logic
of the Frame.
Statistical Routines must immediately follow the related ON.CHANGE; command they
qualify.
The following table summarizes the statistical routines and their abbreviations.
Routine Name Abbreviation Description
COUNT; CNT; Number of values (iterations)
SUM; Sum of the values
AVERAGE; AVG; MEAN; Average of the values
MAXIMUM; MAX; Largest value
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