public class StandardScaler extends Estimator<StandardScalerModel>
Constructor and Description |
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StandardScaler() |
StandardScaler(String uid) |
Modifier and Type | Method and Description |
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StandardScalerModel |
fit(DataFrame dataset)
Fits a model to the input data.
|
StandardScaler |
setInputCol(String value) |
StandardScaler |
setOutputCol(String value) |
StandardScaler |
setWithMean(boolean value) |
StandardScaler |
setWithStd(boolean value) |
StructType |
transformSchema(StructType schema)
:: DeveloperApi ::
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String |
uid() |
BooleanParam |
withMean()
Centers the data with mean before scaling.
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BooleanParam |
withStd()
Scales the data to unit standard deviation.
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
clear, copy, copyValues, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, paramMap, params, set, set, set, setDefault, setDefault, setDefault, shouldOwn, validateParams
initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning
public StandardScaler(String uid)
public StandardScaler()
public String uid()
public StandardScaler setInputCol(String value)
public StandardScaler setOutputCol(String value)
public StandardScaler setWithMean(boolean value)
public StandardScaler setWithStd(boolean value)
public StandardScalerModel fit(DataFrame dataset)
Estimator
fit
in class Estimator<StandardScalerModel>
dataset
- (undocumented)public StructType transformSchema(StructType schema)
PipelineStage
Derives the output schema from the input schema.
transformSchema
in class PipelineStage
schema
- (undocumented)public BooleanParam withMean()
public BooleanParam withStd()