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Object org.apache.spark.ml.PipelineStage
public abstract class PipelineStage
:: DeveloperApi ::
A stage in a pipeline, either an Estimator
or a Transformer
.
Constructor Summary | |
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PipelineStage()
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Method Summary | |
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abstract PipelineStage |
copy(ParamMap extra)
Creates a copy of this instance with the same UID and some extra params. |
abstract StructType |
transformSchema(StructType schema)
:: DeveloperApi :: |
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 |
Constructor Detail |
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public PipelineStage()
Method Detail |
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public abstract StructType transformSchema(StructType schema)
Derives the output schema from the input schema.
schema
- (undocumented)
public abstract PipelineStage copy(ParamMap extra)
Params
copy
in interface Params
extra
- (undocumented)
defaultCopy()
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