DATASETS Procedure
INDEX CENTILES Statement
Updates centiles statistics for indexed variables.
Syntax
Required Argument
- index-1 <..index-n>
-
names one or more indexes.
Optional Arguments
- REFRESH
-
updates centiles immediately,
regardless of the value of UPDATECENTILES.
- UPDATECENTILES=ALWAYS | NEVER | integer
-
specifies when centiles
are to be updated. It is not practical to update centiles after every
data set update. Therefore, you can specify as the value of UPDATECENTILES
the percentage of the data values that can be changed before centiles
for the indexed variables are updated.
The following is a
list of valid values:
- ALWAYS | 0
-
updates centiles when
the data set is closed if any changes have been made to the data set
index. You can specify ALWAYS or 0 and produce the same results.
- NEVER | 101
-
does not update centiles.
You can specify NEVER or 101 and produce the same results.
- integer
-
is the percentage of
values for the indexed variable that can be updated before centiles
are refreshed.
Alias:UPDCEN
Default:5 (percent)
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