| Modifier and Type | Method and Description |
|---|---|
Table |
aggregate(Aggregate... aggregates)
Aggregates the group of columns represented by indices
Usage:
aggregate(count(), max(2),...);
example:
input : 1, 1, 1
1, 2, 1
2, 4, 5
table.groupBy(0, 2).count()
col0, col1
output: 1, 1
1, 2
2, 1 ==> aggregated count
|
public Table aggregate(Aggregate... aggregates)
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