public class RFormula extends Estimator<RFormulaModel>
Constructor and Description |
---|
RFormula() |
RFormula(java.lang.String uid) |
Modifier and Type | Method and Description |
---|---|
RFormula |
copy(ParamMap extra)
Creates a copy of this instance with the same UID and some extra params.
|
RFormulaModel |
fit(DataFrame dataset)
Fits a model to the input data.
|
Param<java.lang.String> |
formula()
R formula parameter.
|
java.lang.String |
getFormula() |
boolean |
hasLabelCol(StructType schema) |
RFormula |
setFeaturesCol(java.lang.String value) |
RFormula |
setFormula(java.lang.String value)
Sets the formula to use for this transformer.
|
RFormula |
setLabelCol(java.lang.String value) |
java.lang.String |
toString() |
StructType |
transformSchema(StructType schema)
:: DeveloperApi ::
|
java.lang.String |
uid()
An immutable unique ID for the object and its derivatives.
|
transformSchema
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
clear, copyValues, defaultCopy, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, paramMap, params, set, set, set, setDefault, setDefault, shouldOwn, validateParams
initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning
public java.lang.String uid()
Identifiable
uid
in interface Identifiable
public Param<java.lang.String> formula()
public RFormula setFormula(java.lang.String value)
value
- an R formula in string form (e.g. "y ~ x + z")public java.lang.String getFormula()
public RFormula setFeaturesCol(java.lang.String value)
public RFormula setLabelCol(java.lang.String value)
public RFormulaModel fit(DataFrame dataset)
Estimator
fit
in class Estimator<RFormulaModel>
dataset
- (undocumented)public StructType transformSchema(StructType schema)
PipelineStage
Derives the output schema from the input schema.
transformSchema
in class PipelineStage
schema
- (undocumented)public RFormula copy(ParamMap extra)
Params
copy
in interface Params
copy
in class Estimator<RFormulaModel>
extra
- (undocumented)defaultCopy()
public java.lang.String toString()
toString
in interface Identifiable
toString
in class java.lang.Object
public boolean hasLabelCol(StructType schema)