Set Regular And Time State Rollup Together - IBM Cognos User Manual

Set Regular and Time State Rollup Together

You can use Regular rollup and Time state rollup together to summarize measure
values in your OLAP reports. When both are selected, regular rollup is performed
first, followed by time-state rollup.
There are several constraints that apply when defining these two types of rollup
together:
v Cognos Transformer cannot perform Time state rollup for a measure when there
v You cannot apply summarized views to a time dimension if the model contains
v For the time dimension, if you select Average for both Regular and Time state
Procedure
1. Open the Measure property sheet and click the Rollup tab.
2. In the Regular rollup box, select a rollup function.
3. In the Time state rollup box, click a rollup function.
4. Click OK.
Example - Jointly Setting Regular and Time-State Rollup
Your source data contains the inventory levels for the middle and end of each
month in all warehouses. You want your OLAP report to show the total inventory
at the end of each quarter.
To obtain the correct result, you define a view that removes the warehouse
category, and then use Regular rollup (Sum) and Time state rollup (Last period).
Your source data is as follows:
Procedure
You select Regular rollup for each period, and then apply Time state rollup.
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IBM Cognos Transformer Version 10.1.1: User Guide
is more than one time dimension in the model.
a measure with Time state rollup applied.
rollup, Cognos Transformer performs Regular rollup first. It then sums the
remaining consolidated records and divides by the number of leaf categories in
the time period. Lastly, it sums the remaining records and divides by the
number of months in the quarter or days in the month.
If you select the Average function, you can weight the average by selecting a
measure from the Regular weight box. However, the weighting measure must
have a rollup function of Default (Sum) or Sum.
If you select the Average function, you can weight the average by selecting a
measure from the Time state weight box. However, the weighting measure
must have a rollup function of Default (Sum) or Sum.
Date
20061115
20061115
20061130
20061130
Warehouse-Product
WH1TR139SQ
WH2TR139SQ
WH1TR139SQ
WH2TR139SQ
QTY
500
400
200
600