各種變量類型（模型參數類型）的接口
package org.apache.spark.ml.param.shared
import org.apache.spark.ml.param._
// DO NOT MODIFY THIS FILE! It was generated by SharedParamsCodeGen.
// scalastyle:off
/**
* Trait for shared param regParam.
*/
private[ml] trait HasRegParam extends Params {
/**
* Param for regularization parameter (>= 0).
* @group param
*/
final val regParam: DoubleParam = new DoubleParam(this, "regParam", "regularization parameter (>= 0)", ParamValidators.gtEq(0))
/** @group getParam */
final def getRegParam: Double = $(regParam)
}
/**
* Trait for shared param maxIter.
*/
private[ml] trait HasMaxIter extends Params {
/**
* Param for maximum number of iterations (>= 0).
* @group param
*/
final val maxIter: IntParam = new IntParam(this, "maxIter", "maximum number of iterations (>= 0)", ParamValidators.gtEq(0))
/** @group getParam */
final def getMaxIter: Int = $(maxIter)
}
/**
* Trait for shared param featuresCol (default: "features").
*/
private[ml] trait HasFeaturesCol extends Params {
/**
* Param for features column name.
* @group param
*/
final val featuresCol: Param[String] = new Param[String](this, "featuresCol", "features column name")
setDefault(featuresCol, "features")
/** @group getParam */
final def getFeaturesCol: String = $(featuresCol)
}
/**
* Trait for shared param labelCol (default: "label").
*/
private[ml] trait HasLabelCol extends Params {
/**
* Param for label column name.
* @group param
*/
final val labelCol: Param[String] = new Param[String](this, "labelCol", "label column name")
setDefault(labelCol, "label")
/** @group getParam */
final def getLabelCol: String = $(labelCol)
}
/**
* Trait for shared param predictionCol (default: "prediction").
*/
private[ml] trait HasPredictionCol extends Params {
/**
* Param for prediction column name.
* @group param
*/
final val predictionCol: Param[String] = new Param[String](this, "predictionCol", "prediction column name")
setDefault(predictionCol, "prediction")
/** @group getParam */
final def getPredictionCol: String = $(predictionCol)
}
/**
* Trait for shared param rawPredictionCol (default: "rawPrediction").
*/
private[ml] trait HasRawPredictionCol extends Params {
/**
* Param for raw prediction (a.k.a. confidence) column name.
* @group param
*/
final val rawPredictionCol: Param[String] = new Param[String](this, "rawPredictionCol", "raw prediction (a.k.a. confidence) column name")
setDefault(rawPredictionCol, "rawPrediction")
/** @group getParam */
final def getRawPredictionCol: String = $(rawPredictionCol)
}
/**
* Trait for shared param probabilityCol (default: "probability").
*/
private[ml] trait HasProbabilityCol extends Params {
/**
* Param for Column name for predicted class conditional probabilities. Note: Not all models output well-calibrated probability estimates! These probabilities should be treated as confidences, not precise probabilities.
* @group param
*/
final val probabilityCol: Param[String] = new Param[String](this, "probabilityCol", "Column name for predicted class conditional probabilities. Note: Not all models output well-calibrated probability estimates! These probabilities should be treated as confidences, not precise probabilities")
setDefault(probabilityCol, "probability")
/** @group getParam */
final def getProbabilityCol: String = $(probabilityCol)
}
/**
* Trait for shared param varianceCol.
*/
private[ml] trait HasVarianceCol extends Params {
/**
* Param for Column name for the biased sample variance of prediction.
* @group param
*/
final val varianceCol: Param[String] = new Param[String](this, "varianceCol", "Column name for the biased sample variance of prediction")
/** @group getParam */
final def getVarianceCol: String = $(varianceCol)
}
/**
* Trait for shared param threshold (default: 0.5).
*/
private[ml] trait HasThreshold extends Params {
/**
* Param for threshold in binary classification prediction, in range [0, 1].
* @group param
*/
final val threshold: DoubleParam = new DoubleParam(this, "threshold", "threshold in binary classification prediction, in range [0, 1]", ParamValidators.inRange(0, 1))
setDefault(threshold, 0.5)
/** @group getParam */
def getThreshold: Double = $(threshold)
}
/**
* Trait for shared param thresholds.
*/
private[ml] trait HasThresholds extends Params {
/**
* Param for Thresholds in multi-class classification to adjust the probability of predicting each class. Array must have length equal to the number of classes, with values >= 0. The class with largest value p/t is predicted, where p is the original probability of that class and t is the class' threshold.
* @group param
*/
final val thresholds: DoubleArrayParam = new DoubleArrayParam(this, "thresholds", "Thresholds in multi-class classification to adjust the probability of predicting each class. Array must have length equal to the number of classes, with values >= 0. The class with largest value p/t is predicted, where p is the original probability of that class and t is the class' threshold", (t: Array[Double]) => t.forall(_ >= 0))
/** @group getParam */
def getThresholds: Array[Double] = $(thresholds)
}
/**
* Trait for shared param inputCol.
*/
private[ml] trait HasInputCol extends Params {
/**
* Param for input column name.
* @group param
*/
final val inputCol: Param[String] = new Param[String](this, "inputCol", "input column name")
/** @group getParam */
final def getInputCol: String = $(inputCol)
}
/**
* Trait for shared param inputCols.
*/
private[ml] trait HasInputCols extends Params {
/**
* Param for input column names.
* @group param
*/
final val inputCols: StringArrayParam = new StringArrayParam(this, "inputCols", "input column names")
/** @group getParam */
final def getInputCols: Array[String] = $(inputCols)
}
/**
* Trait for shared param outputCol (default: uid + "__output").
*/
private[ml] trait HasOutputCol extends Params {
/**
* Param for output column name.
* @group param
*/
final val outputCol: Param[String] = new Param[String](this, "outputCol", "output column name")
setDefault(outputCol, uid + "__output")
/** @group getParam */
final def getOutputCol: String = $(outputCol)
}
/**
* Trait for shared param checkpointInterval.
*/
private[ml] trait HasCheckpointInterval extends Params {
/**
* Param for set checkpoint interval (>= 1) or disable checkpoint (-1). E.g. 10 means that the cache will get checkpointed every 10 iterations.
* @group param
*/
final val checkpointInterval: IntParam = new IntParam(this, "checkpointInterval", "set checkpoint interval (>= 1) or disable checkpoint (-1). E.g. 10 means that the cache will get checkpointed every 10 iterations", (interval: Int) => interval == -1 || interval >= 1)
/** @group getParam */
final def getCheckpointInterval: Int = $(checkpointInterval)
}
/**
* Trait for shared param fitIntercept (default: true).
*/
private[ml] trait HasFitIntercept extends Params {
/**
* Param for whether to fit an intercept term.
* @group param
*/
final val fitIntercept: BooleanParam = new BooleanParam(this, "fitIntercept", "whether to fit an intercept term")
setDefault(fitIntercept, true)
/** @group getParam */
final def getFitIntercept: Boolean = $(fitIntercept)
}
/**
* Trait for shared param handleInvalid.
*/
private[ml] trait HasHandleInvalid extends Params {
/**
* Param for how to handle invalid entries. Options are skip (which will filter out rows with bad values), or error (which will throw an error). More options may be added later.
* @group param
*/
final val handleInvalid: Param[String] = new Param[String](this, "handleInvalid", "how to handle invalid entries. Options are skip (which will filter out rows with bad values), or error (which will throw an error). More options may be added later", ParamValidators.inArray(Array("skip", "error")))
/** @group getParam */
final def getHandleInvalid: String = $(handleInvalid)
}
/**
* Trait for shared param standardization (default: true).
*/
private[ml] trait HasStandardization extends Params {
/**
* Param for whether to standardize the training features before fitting the model.
* @group param
*/
final val standardization: BooleanParam = new BooleanParam(this, "standardization", "whether to standardize the training features before fitting the model")
setDefault(standardization, true)
/** @group getParam */
final def getStandardization: Boolean = $(standardization)
}
/**
* Trait for shared param seed (default: this.getClass.getName.hashCode.toLong).
*/
private[ml] trait HasSeed extends Params {
/**
* Param for random seed.
* @group param
*/
final val seed: LongParam = new LongParam(this, "seed", "random seed")
setDefault(seed, this.getClass.getName.hashCode.toLong)
/** @group getParam */
final def getSeed: Long = $(seed)
}
/**
* Trait for shared param elasticNetParam.
*/
private[ml] trait HasElasticNetParam extends Params {
/**
* Param for the ElasticNet mixing parameter, in range [0, 1]. For alpha = 0, the penalty is an L2 penalty. For alpha = 1, it is an L1 penalty.
* @group param
*/
final val elasticNetParam: DoubleParam = new DoubleParam(this, "elasticNetParam", "the ElasticNet mixing parameter, in range [0, 1]. For alpha = 0, the penalty is an L2 penalty. For alpha = 1, it is an L1 penalty", ParamValidators.inRange(0, 1))
/** @group getParam */
final def getElasticNetParam: Double = $(elasticNetParam)
}
/**
* Trait for shared param tol.
*/
private[ml] trait HasTol extends Params {
/**
* Param for the convergence tolerance for iterative algorithms.
* @group param
*/
final val tol: DoubleParam = new DoubleParam(this, "tol", "the convergence tolerance for iterative algorithms")
/** @group getParam */
final def getTol: Double = $(tol)
}
/**
* Trait for shared param stepSize.
*/
private[ml] trait HasStepSize extends Params {
/**
* Param for Step size to be used for each iteration of optimization.
* @group param
*/
final val stepSize: DoubleParam = new DoubleParam(this, "stepSize", "Step size to be used for each iteration of optimization")
/** @group getParam */
final def getStepSize: Double = $(stepSize)
}
/**
* Trait for shared param weightCol.
*/
private[ml] trait HasWeightCol extends Params {
/**
* Param for weight column name. If this is not set or empty, we treat all instance weights as 1.0.
* @group param
*/
final val weightCol: Param[String] = new Param[String](this, "weightCol", "weight column name. If this is not set or empty, we treat all instance weights as 1.0")
/** @group getParam */
final def getWeightCol: String = $(weightCol)
}
/**
* Trait for shared param solver (default: "auto").
*/
private[ml] trait HasSolver extends Params {
/**
* Param for the solver algorithm for optimization. If this is not set or empty, default value is 'auto'.
* @group param
*/
final val solver: Param[String] = new Param[String](this, "solver", "the solver algorithm for optimization. If this is not set or empty, default value is 'auto'")
setDefault(solver, "auto")
/** @group getParam */
final def getSolver: String = $(solver)
}
// scalastyle:on