Class: NaiveBayesModel

eclairjs/ml/classification.NaiveBayesModel

Constructor

new NaiveBayesModel()

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Extends

Methods

(static) load(path) → {module:eclairjs/mllib/classification.NaiveBayesModel}

Parameters:
Name Type Description
path Promise.<string>
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Returns:
Type
module:eclairjs/mllib/classification.NaiveBayesModel

(static) read() → {module:eclairjs/ml/util.MLReader}

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Returns:
Type
module:eclairjs/ml/util.MLReader

copy(extra) → {module:eclairjs/mllib/classification.NaiveBayesModel}

Parameters:
Name Type Description
extra module:eclairjs/ml/param.ParamMap
Overrides:
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Returns:
Type
module:eclairjs/mllib/classification.NaiveBayesModel

featuresCol() → {module:eclairjs/ml/param.Param}

Param for features column name.
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Returns:
Type
module:eclairjs/ml/param.Param

getFeaturesCol() → {string}

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Returns:
Type
string

getLabelCol() → {Promise.<string>}

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Returns:
Type
Promise.<string>

getModelType() → {Promise.<string>}

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Returns:
Type
Promise.<string>

getPredictionCol() → {Promise.<string>}

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Returns:
Type
Promise.<string>

getRawPredictionCol() → {Promise.<string>}

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Returns:
Type
Promise.<string>

getSmoothing() → {Promise.<Number>}

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Returns:
Type
Promise.<Number>

hasParent() → {Promise.<boolean>}

Indicates whether this Model has a corresponding parent.
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Returns:
Type
Promise.<boolean>

labelCol() → {module:eclairjs/ml/param.Param}

Param for label column name.
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Returns:
Type
module:eclairjs/ml/param.Param

modelType() → {module:eclairjs/ml/param.Param}

The model type which is a string (case-sensitive). Supported options: "multinomial" and "bernoulli". (default = multinomial)
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Returns:
Type
module:eclairjs/ml/param.Param

numClasses() → {Promise.<number>}

Number of classes (values which the label can take).
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Returns:
Type
Promise.<number>

numFeatures() → {Promise.<number>}

Returns the number of features the model was trained on. If unknown, returns -1
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Returns:
Type
Promise.<number>

parent() → {module:eclairjs/ml.Estimator}

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Returns:
Type
module:eclairjs/ml.Estimator

pi() → {module:eclairjs/mllib/linalg.Vector}

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Returns:
Type
module:eclairjs/mllib/linalg.Vector

predictionCol() → {module:eclairjs/ml/param.Param}

Param for prediction column name.
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Returns:
Type
module:eclairjs/ml/param.Param

rawPredictionCol() → {module:eclairjs/ml/param.Param}

Param for raw prediction (a.k.a. confidence) column name.
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Returns:
Type
module:eclairjs/ml/param.Param

setFeaturesCol(value) → {object}

Parameters:
Name Type Description
value string
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Returns:
Type
object

setParent(parent) → {object}

Sets the parent of this model.
Parameters:
Name Type Description
parent module:eclairjs/ml.Estimator
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Returns:
Type
object

setPredictionCol(value) → {object}

Parameters:
Name Type Description
value string
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Returns:
Type
object

setProbabilityCol(value) → {module:eclairjs/ml/classification.ProbabilisticClassificationModel}

Parameters:
Name Type Description
value string
Inherited From:
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Returns:
Type
module:eclairjs/ml/classification.ProbabilisticClassificationModel

setRawPredictionCol(value) → {module:eclairjs/ml/classification.ClassificationModel}

Parameters:
Name Type Description
value string
Inherited From:
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Returns:
Type
module:eclairjs/ml/classification.ClassificationModel

setThresholds(value) → {module:eclairjs/ml/classification.ProbabilisticClassificationModel}

Parameters:
Name Type Description
value Array.<number>
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Returns:
Type
module:eclairjs/ml/classification.ProbabilisticClassificationModel

smoothing() → {module:eclairjs/ml/param.DoubleParam}

The smoothing parameter. (default = 1.0).
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Returns:
Type
module:eclairjs/ml/param.DoubleParam

theta() → {module:eclairjs/mllib/linalg.Matrix}

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Returns:
Type
module:eclairjs/mllib/linalg.Matrix

toString() → {Promise.<string>}

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Returns:
Type
Promise.<string>

transform(dataset) → {module:eclairjs/sql.Dataset}

Transforms dataset by reading from featuresCol, and appending new columns as specified by parameters: - predicted labels as [[predictionCol]] of type Double - raw predictions (confidences) as [[rawPredictionCol]] of type Vector - probability of each class as [[probabilityCol]] of type Vector.
Parameters:
Name Type Description
dataset module:eclairjs/sql.Dataset input dataset
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Returns:
transformed dataset
Type
module:eclairjs/sql.Dataset

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

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

uid() → {Promise.<string>}

An immutable unique ID for the object and its derivatives.
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Returns:
Type
Promise.<string>

validateAndTransformSchema(schema, fitting, featuresDataType) → {module:eclairjs/sql/types.StructType}

Validates and transforms the input schema with the provided param map.
Parameters:
Name Type Description
schema module:eclairjs/sql/types.StructType
fitting boolean whether this is in fitting
featuresDataType module:eclairjs/sql/types.DataType SQL DataType for FeaturesType. E.g., module:eclairjs/sql/types.VectorUDTfor vector features
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Returns:
Type
module:eclairjs/sql/types.StructType

write() → {module:eclairjs/ml/util.MLWriter}

Source:
Returns:
Type
module:eclairjs/ml/util.MLWriter