Class: ChiSqSelector

eclairjs/ml/feature. ChiSqSelector

:: Experimental :: Chi-Squared feature selection, which selects categorical features to use for predicting a categorical label.

Constructor

new ChiSqSelector(uidopt)

Parameters:
Name Type Attributes Description
uid string <optional>
Source:

Methods

(static) load(path) → {module:eclairjs/ml/feature.ChiSqSelector}

Parameters:
Name Type Description
path string
Source:
Returns:
Type
module:eclairjs/ml/feature.ChiSqSelector

copy(extra) → {module:eclairjs/ml/feature.ChiSqSelector}

Parameters:
Name Type Description
extra module:eclairjs/ml/param.ParamMap
Source:
Returns:
Type
module:eclairjs/ml/feature.ChiSqSelector

fit(dataset) → {module:eclairjs/ml/feature.ChiSqSelectorModel}

Parameters:
Name Type Description
dataset module:eclairjs/sql.Dataset
Source:
Returns:
Type
module:eclairjs/ml/feature.ChiSqSelectorModel

getNumTopFeatures() → {integer}

Source:
Returns:
Type
integer

numTopFeatures() → {module:eclairjs/ml/param.IntParam}

Number of features that selector will select (ordered by statistic value descending).
Source:
Returns:
Type
module:eclairjs/ml/param.IntParam

setFeaturesCol(value) → {module:eclairjs/ml/feature.ChiSqSelector}

Parameters:
Name Type Description
value string
Source:
Returns:
Type
module:eclairjs/ml/feature.ChiSqSelector

setLabelCol(value) → {module:eclairjs/ml/feature.ChiSqSelector}

Parameters:
Name Type Description
value string
Source:
Returns:
Type
module:eclairjs/ml/feature.ChiSqSelector

setNumTopFeatures(value) → {module:eclairjs/ml/feature.ChiSqSelector}

Parameters:
Name Type Description
value integer
Source:
Returns:
Type
module:eclairjs/ml/feature.ChiSqSelector

setOutputCol(value) → {module:eclairjs/ml/feature.ChiSqSelector}

Parameters:
Name Type Description
value string
Source:
Returns:
Type
module:eclairjs/ml/feature.ChiSqSelector

transformSchema(schema) → {module:eclairjs/sql/types.StructType}

Parameters:
Name Type Description
schema module:eclairjs/sql/types.StructType
Source:
Returns:
Type
module:eclairjs/sql/types.StructType

uid() → {string}

An immutable unique ID for the object and its derivatives.
Source:
Returns:
Type
string