public class CrossValidatorModel extends Model<CrossValidatorModel>
Modifier and Type | Method and Description |
---|---|
Object |
bestModel() |
CrossValidatorModel |
copy(ParamMap extra)
Creates a copy of this instance with the same UID and some extra params.
|
Param<Estimator<?>> |
estimator()
param for the estimator to be cross-validated
|
Param<ParamMap[]> |
estimatorParamMaps()
param for estimator param maps
|
Param<Evaluator> |
evaluator()
param for the evaluator used to select hyper-parameters that maximize the cross-validated
metric
|
Estimator<?> |
getEstimator() |
ParamMap[] |
getEstimatorParamMaps() |
Evaluator |
getEvaluator() |
int |
getNumFolds() |
IntParam |
numFolds()
Param for number of folds for cross validation.
|
DataFrame |
transform(DataFrame dataset)
Transforms the input dataset.
|
StructType |
transformSchema(StructType schema)
:: DeveloperApi ::
|
String |
uid() |
void |
validateParams()
Validates parameter values stored internally.
|
transform, transform, transform
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
clear, copyValues, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, paramMap, params, set, set, set, setDefault, setDefault, setDefault, shouldOwn
initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning
public String uid()
public Object bestModel()
public void validateParams()
Params
This only needs to check for interactions between parameters.
Parameter value checks which do not depend on other parameters are handled by
Param.validate()
. This method does not handle input/output column parameters;
those are checked during schema validation.
validateParams
in interface Params
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 CrossValidatorModel copy(ParamMap extra)
Params
copy
in interface Params
copy
in class Model<CrossValidatorModel>
extra
- (undocumented)public Param<Estimator<?>> estimator()
public Estimator<?> getEstimator()
public Param<ParamMap[]> estimatorParamMaps()
public ParamMap[] getEstimatorParamMaps()
public Param<Evaluator> evaluator()
public Evaluator getEvaluator()
public IntParam numFolds()
public int getNumFolds()