LassoModel (Spark 3.5.5 JavaDoc) (original) (raw)

• Object

• • org.apache.spark.mllib.regression.GeneralizedLinearModel
  • • org.apache.spark.mllib.regression.LassoModel

• All Implemented Interfaces:
  java.io.Serializable, PMMLExportable, RegressionModel, Saveable

public class LassoModel
extends GeneralizedLinearModel
implements RegressionModel, scala.Serializable, Saveable, PMMLExportable
Regression model trained using Lasso.
param: weights Weights computed for every feature. param: intercept Intercept computed for this model.
See Also:
Serialized Form

• • Constructor Summary

  Constructors

  Constructor and Description
  LassoModel(Vector weights, double intercept)

  • Method Summary

  All Methods Static Methods Instance Methods Concrete Methods

  Modifier and Type	Method and Description
  double	intercept()
  static LassoModel	load(SparkContext sc, String path)
  void	save(SparkContext sc, String path) Save this model to the given path.
  Vector	weights()

     * ### Methods inherited from class org.apache.spark.mllib.regression.[GeneralizedLinearModel](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html "class in org.apache.spark.mllib.regression")  
     `[predict](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html#predict-org.apache.spark.rdd.RDD-), [predict](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html#predict-org.apache.spark.mllib.linalg.Vector-), [toString](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html#toString--)`  
     * ### Methods inherited from class Object  
     `equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`  
     * ### Methods inherited from interface org.apache.spark.mllib.regression.[RegressionModel](../../../../../org/apache/spark/mllib/regression/RegressionModel.html "interface in org.apache.spark.mllib.regression")  
     `[predict](../../../../../org/apache/spark/mllib/regression/RegressionModel.html#predict-org.apache.spark.api.java.JavaRDD-), [predict](../../../../../org/apache/spark/mllib/regression/RegressionModel.html#predict-org.apache.spark.rdd.RDD-), [predict](../../../../../org/apache/spark/mllib/regression/RegressionModel.html#predict-org.apache.spark.mllib.linalg.Vector-)`  
     * ### Methods inherited from interface org.apache.spark.mllib.pmml.[PMMLExportable](../../../../../org/apache/spark/mllib/pmml/PMMLExportable.html "interface in org.apache.spark.mllib.pmml")  
     `[toPMML](../../../../../org/apache/spark/mllib/pmml/PMMLExportable.html#toPMML--), [toPMML](../../../../../org/apache/spark/mllib/pmml/PMMLExportable.html#toPMML-java.io.OutputStream-), [toPMML](../../../../../org/apache/spark/mllib/pmml/PMMLExportable.html#toPMML-org.apache.spark.SparkContext-java.lang.String-), [toPMML](../../../../../org/apache/spark/mllib/pmml/PMMLExportable.html#toPMML-javax.xml.transform.stream.StreamResult-), [toPMML](../../../../../org/apache/spark/mllib/pmml/PMMLExportable.html#toPMML-java.lang.String-)`

• • Constructor Detail

     * #### LassoModel  
     public LassoModel([Vector](../../../../../org/apache/spark/mllib/linalg/Vector.html "interface in org.apache.spark.mllib.linalg") weights,  
                       double intercept)  

  • Method Detail

    * #### load  
    public static [LassoModel](../../../../../org/apache/spark/mllib/regression/LassoModel.html "class in org.apache.spark.mllib.regression") load([SparkContext](../../../../../org/apache/spark/SparkContext.html "class in org.apache.spark") sc,  
                                  String path)  
    * #### weights  
    public [Vector](../../../../../org/apache/spark/mllib/linalg/Vector.html "interface in org.apache.spark.mllib.linalg") weights()  
    Overrides:  
    `[weights](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html#weights--)` in class `[GeneralizedLinearModel](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html "class in org.apache.spark.mllib.regression")`  
    * #### intercept  
    public double intercept()  
    Overrides:  
    `[intercept](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html#intercept--)` in class `[GeneralizedLinearModel](../../../../../org/apache/spark/mllib/regression/GeneralizedLinearModel.html "class in org.apache.spark.mllib.regression")`  
    * #### save  
    public void save([SparkContext](../../../../../org/apache/spark/SparkContext.html "class in org.apache.spark") sc,  
                     String path)  
    Description copied from interface: `[Saveable](../../../../../org/apache/spark/mllib/util/Saveable.html#save-org.apache.spark.SparkContext-java.lang.String-)`  
    Save this model to the given path.  
     This saves: - human-readable (JSON) model metadata to path/metadata/ - Parquet formatted data to path/data/  
     The model may be loaded using `Loader.load`.  
    Specified by:  
    `[save](../../../../../org/apache/spark/mllib/util/Saveable.html#save-org.apache.spark.SparkContext-java.lang.String-)` in interface `[Saveable](../../../../../org/apache/spark/mllib/util/Saveable.html "interface in org.apache.spark.mllib.util")`  
    Parameters:  
    `sc` \- Spark context used to save model data.  
    `path` \- Path specifying the directory in which to save this model. If the directory already exists, this method throws an exception.