Package | Description |
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org.datavec.api.transform.reduce | |
org.datavec.api.transform.reduce.impl |
Modifier and Type | Method and Description |
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Reducer.Builder |
Reducer.Builder.customReduction(String column,
AggregableColumnReduction columnReduction)
Reduce the specified column using a custom column reduction functionality.
|
Constructor and Description |
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Reducer(List<String> keyColumns,
ReduceOp defaultOp,
Map<String,List<ReduceOp>> opMap,
Map<String,AggregableColumnReduction> customReductions,
Map<String,Reducer.ConditionalReduction> conditionalReductions,
Set<String> ignoreInvalidInColumns) |
Modifier and Type | Class and Description |
---|---|
class |
GeographicMidpointReduction
Given a set of latitude/longitude coordinates, encoded in
Text writables with format "lat,long" (the
delimiter is configurable), determine the geographic midpoint. |
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