Package smile.datasets

Record Class WeatherNominal

java.lang.Object
java.lang.Record
smile.datasets.WeatherNominal
Record Components:
data - data frame.
formula - modeling formula.
public record WeatherNominal(DataFrame data, Formula formula) extends Record
Toy weather dataset, of which all attributes are nominal.

  • Constructor Summary

    Constructors
    Constructor
    Description
    WeatherNominal()
    Constructor.
    WeatherNominal(Path path)
    Constructor.
    WeatherNominal(DataFrame data, Formula formula)
    Creates an instance of a WeatherNominal record class.

  • Method Summary

    Modifier and Type
    Method
    Description
    DataFrame
    data()
    Returns the value of the data record component.
    double[][]
    dummy()
    Returns the sample features in dummy encoding.
    final boolean
    equals(Object o)
    Indicates whether some other object is "equal to" this one.
    Formula
    formula()
    Returns the value of the formula record component.
    final int
    hashCode()
    Returns a hash code value for this object.
    double[][]
    level()
    Returns the sample features in level encoding.
    double[][]
    onehot()
    Returns the sample features in one-hot encoding.
    final String
    toString()
    Returns a string representation of this record class.
    int[]
    y()
    Returns the class labels.

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • WeatherNominal

      public WeatherNominal() throws IOException, ParseException
      Constructor.
      Throws:
      IOException - when fails to read the file.
      ParseException - when fails to parse the file.

    • WeatherNominal

      public WeatherNominal(Path path) throws IOException, ParseException
      Constructor.
      Parameters:
      path - the data path.
      Throws:
      IOException - when fails to read the file.
      ParseException - when fails to parse the file.

    • WeatherNominal

      public WeatherNominal(DataFrame data, Formula formula)
      Creates an instance of a WeatherNominal record class.
      Parameters:
      data - the value for the data record component
      formula - the value for the formula record component

  • Method Details

    • level

      public double[][] level()
      Returns the sample features in level encoding.
      Returns:
      the sample features in level encoding.

    • dummy

      public double[][] dummy()
      Returns the sample features in dummy encoding.
      Returns:
      the sample features in dummy encoding.

    • onehot

      public double[][] onehot()
      Returns the sample features in one-hot encoding.
      Returns:
      the sample features in one-hot encoding.

    • y

      public int[] y()
      Returns the class labels.
      Returns:
      the class labels.

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • data

      public DataFrame data()
      Returns the value of the data record component.
      Returns:
      the value of the data record component

    • formula

      public Formula formula()
      Returns the value of the formula record component.
      Returns:
      the value of the formula record component