Package org.datavec.api.transform.rank
Class CalculateSortedRank
- java.lang.Object
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- org.datavec.api.transform.rank.CalculateSortedRank
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- All Implemented Interfaces:
Serializable
,ColumnOp
,Operation<Schema,Schema>
public class CalculateSortedRank extends Object implements Serializable, ColumnOp
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description CalculateSortedRank(String newColumnName, String sortOnColumn, WritableComparator comparator)
CalculateSortedRank(String newColumnName, String sortOnColumn, WritableComparator comparator, boolean ascending)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String
columnName()
Returns a singular column name this op is meant to run onString[]
columnNames()
Returns column names this op is meant to run onSchema
getInputSchema()
Getter for input schemaString
outputColumnName()
The output column name after the operation has been appliedString[]
outputColumnNames()
The output column names This will often be the same as the inputvoid
setInputSchema(Schema schema)
Set the input schema.String
toString()
Schema
transform(Schema inputSchema)
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Constructor Detail
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CalculateSortedRank
public CalculateSortedRank(String newColumnName, String sortOnColumn, WritableComparator comparator)
- Parameters:
newColumnName
- Name of the new column (will contain the rank for each example)sortOnColumn
- Name of the column to sort oncomparator
- Comparator used to sort examples
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CalculateSortedRank
public CalculateSortedRank(String newColumnName, String sortOnColumn, WritableComparator comparator, boolean ascending)
- Parameters:
newColumnName
- Name of the new column (will contain the rank for each example)sortOnColumn
- Name of the column to sort oncomparator
- Comparator used to sort examplesascending
- Whether examples should be ascending or descending, using the comparator
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Method Detail
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setInputSchema
public void setInputSchema(Schema schema)
Description copied from interface:ColumnOp
Set the input schema.- Specified by:
setInputSchema
in interfaceColumnOp
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getInputSchema
public Schema getInputSchema()
Description copied from interface:ColumnOp
Getter for input schema- Specified by:
getInputSchema
in interfaceColumnOp
- Returns:
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outputColumnName
public String outputColumnName()
The output column name after the operation has been applied- Specified by:
outputColumnName
in interfaceColumnOp
- Returns:
- the output column name
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outputColumnNames
public String[] outputColumnNames()
The output column names This will often be the same as the input- Specified by:
outputColumnNames
in interfaceColumnOp
- Returns:
- the output column names
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columnNames
public String[] columnNames()
Returns column names this op is meant to run on- Specified by:
columnNames
in interfaceColumnOp
- Returns:
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columnName
public String columnName()
Returns a singular column name this op is meant to run on- Specified by:
columnName
in interfaceColumnOp
- Returns:
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