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Object org.apache.spark.ml.PipelineStage org.apache.spark.ml.Transformer org.apache.spark.ml.Model<StandardScalerModel> org.apache.spark.ml.feature.StandardScalerModel
public class StandardScalerModel
Method Summary | |
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StandardScalerModel |
copy(ParamMap extra)
Creates a copy of this instance with the same UID and some extra params. |
StandardScalerModel |
setInputCol(String value)
|
StandardScalerModel |
setOutputCol(String value)
|
DataFrame |
transform(DataFrame dataset)
Transforms the input dataset. |
StructType |
transformSchema(StructType schema)
:: DeveloperApi :: |
String |
uid()
|
BooleanParam |
withMean()
Centers the data with mean before scaling. |
BooleanParam |
withStd()
Scales the data to unit standard deviation. |
Methods inherited from class org.apache.spark.ml.Model |
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hasParent, parent, setParent |
Methods inherited from class org.apache.spark.ml.Transformer |
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transform, transform, transform |
Methods inherited from class Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.spark.ml.param.Params |
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clear, copyValues, defaultCopy, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, paramMap, params, set, set, set, setDefault, setDefault, setDefault, shouldOwn, validateParams |
Methods inherited from interface org.apache.spark.Logging |
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initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning |
Method Detail |
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public String uid()
public StandardScalerModel setInputCol(String value)
public StandardScalerModel setOutputCol(String value)
public DataFrame transform(DataFrame dataset)
Transformer
transform
in class Transformer
dataset
- (undocumented)
public StructType transformSchema(StructType schema)
PipelineStage
Derives the output schema from the input schema.
transformSchema
in class PipelineStage
schema
- (undocumented)
public StandardScalerModel copy(ParamMap extra)
Params
copy
in interface Params
copy
in class Model<StandardScalerModel>
extra
- (undocumented)
defaultCopy()
public BooleanParam withMean()
public BooleanParam withStd()
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