Uses of Class
org.datavec.api.transform.reduce.Reducer.Builder

Packages that use Reducer.Builder

Package	Description
org.datavec.api.transform.reduce

Uses of Reducer.Builder in org.datavec.api.transform.reduce

Methods in org.datavec.api.transform.reduce that return Reducer.Builder

Modifier and Type	Method and Description
Reducer.Builder	Reducer.Builder.conditionalReduction(String column, String outputName, ReduceOp reduction, Condition condition) Conditional reduction: apply the reduce on a specified column, where the reduction occurs *only* on those examples where the condition returns true.
Reducer.Builder	Reducer.Builder.countColumns(String... columns) Reduce the specified columns by counting the number of values
Reducer.Builder	Reducer.Builder.countUniqueColumns(String... columns) Reduce the specified columns by counting the number of unique values
Reducer.Builder	Reducer.Builder.customReduction(String column, ColumnReduction columnReduction) Reduce the specified column using a custom column reduction functionality.
Reducer.Builder	Reducer.Builder.keyColumns(String... keyColumns) Specify the key columns.
Reducer.Builder	Reducer.Builder.maxColumn(String... columns) Reduce the specified columns by taking the maximum value
Reducer.Builder	Reducer.Builder.meanColumns(String... columns) Reduce the specified columns by taking the mean of the values
Reducer.Builder	Reducer.Builder.minColumns(String... columns) Reduce the specified columns by taking the minimum value
Reducer.Builder	Reducer.Builder.rangeColumns(String... columns) Reduce the specified columns by taking the range (max-min) of the values
Reducer.Builder	Reducer.Builder.setIgnoreInvalid(String... columns) When doing the reduction: set the specified columns to ignore any invalid values.
Reducer.Builder	Reducer.Builder.stdevColumns(String... columns) Reduce the specified columns by taking the standard deviation of the values
Reducer.Builder	Reducer.Builder.sumColumns(String... columns) Reduce the specified columns by taking the sum of values
Reducer.Builder	Reducer.Builder.takeFirstColumns(String... columns) Reduce the specified columns by taking the first value
Reducer.Builder	Reducer.Builder.takeLastColumns(String... columns) Reduce the specified columns by taking the last value