class QuantileDMatrix extends DMatrix
QuantileDMatrix will only be used to train
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Instance Constructors
- new QuantileDMatrix(iter: Iterator[ColumnBatch], missing: Float, maxBin: Int, nthread: Int)
Value Members
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!=(arg0: Any): Boolean
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def
dispose(): Unit
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- DMatrix
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eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
getBaseMargin(): Array[Float]
Get base margin of the DMatrix.
Get base margin of the DMatrix.
- Definition Classes
- DMatrix
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final
def
getClass(): Class[_]
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def
getFeatureNames(): Array[String]
Get feature names
Get feature names
- returns
an array of feature names to be returned
- Definition Classes
- DMatrix
- Exceptions thrown
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def
getFeatureTypes(): Array[String]
Get feature types
Get feature types
- returns
an array of feature types to be returned
- Definition Classes
- DMatrix
- Exceptions thrown
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def
getGroup(): Array[Int]
Get group sizes of DMatrix
Get group sizes of DMatrix
- returns
group size as array
- Definition Classes
- DMatrix
- Exceptions thrown
XGBoostError
native error
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def
getHandle(): Long
Get the handle
Get the handle
- Definition Classes
- DMatrix
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def
getLabel(): Array[Float]
get label values
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def
getWeight(): Array[Float]
get weight of the DMatrix
get weight of the DMatrix
- returns
weights
- Definition Classes
- DMatrix
- Exceptions thrown
XGBoostError
native error
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def
hashCode(): Int
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def
isInstanceOf[T0]: Boolean
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def
ne(arg0: AnyRef): Boolean
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def
nonMissingNum(): Long
Get the number of non-missing values of DMatrix.
Get the number of non-missing values of DMatrix.
- returns
The number of non-missing values
- Definition Classes
- DMatrix
- Exceptions thrown
XGBoostError
native error
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
rowNum(): Long
get the row number of DMatrix
get the row number of DMatrix
- returns
number of rows
- Definition Classes
- DMatrix
- Exceptions thrown
XGBoostError
native error
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def
saveBinary(filePath: String): Unit
save DMatrix to filePath
save DMatrix to filePath
- Definition Classes
- DMatrix
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def
setBaseMargin(baseMargin: Array[Array[Float]]): Unit
Set base margin (initial prediction).
Set base margin (initial prediction).
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
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def
setBaseMargin(baseMargin: Array[Float]): Unit
Set base margin (initial prediction).
Set base margin (initial prediction).
The margin must have the same number of elements as the number of rows in this matrix.
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
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def
setBaseMargin(column: Column): Unit
Set base margin of DMatrix from cuda array interface
Set base margin of DMatrix from cuda array interface
- column
the XGBoost Column to provide the cuda array interface of base margin column
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
- Exceptions thrown
XGBoostError
native error
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def
setFeatureNames(values: Array[String]): Unit
Set feature names
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def
setFeatureTypes(values: Array[String]): Unit
Set feature types
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def
setGroup(group: Array[Int]): Unit
Set group sizes of DMatrix (used for ranking)
Set group sizes of DMatrix (used for ranking)
- group
group size as array
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
- Exceptions thrown
XGBoostError
native error
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def
setLabel(labels: Array[Float]): Unit
set label of dmatrix
set label of dmatrix
- labels
labels
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
- Exceptions thrown
XGBoostError
native error
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def
setLabel(column: Column): Unit
Set label of DMatrix from cuda array interface
Set label of DMatrix from cuda array interface
- column
the XGBoost Column to provide the cuda array interface of label column
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
- Exceptions thrown
XGBoostError
native error
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def
setWeight(weights: Array[Float]): Unit
set weight of each instance
set weight of each instance
- weights
weights
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
- Exceptions thrown
XGBoostError
native error
-
def
setWeight(column: Column): Unit
Set weight of DMatrix from cuda array interface
Set weight of DMatrix from cuda array interface
- column
the XGBoost Column to provide the cuda array interface of weight column
- Definition Classes
- QuantileDMatrix → DMatrix
- Annotations
- @Override()
- Exceptions thrown
XGBoostError
native error
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def
slice(rowIndex: Array[Int]): DMatrix
Slice the DMatrix and return a new DMatrix that only contains
rowIndex
.Slice the DMatrix and return a new DMatrix that only contains
rowIndex
.- rowIndex
row index
- returns
sliced new DMatrix
- Definition Classes
- DMatrix
- Exceptions thrown
XGBoostError
native error
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