Package smile.data

Class AttributeVector

  • public class AttributeVector
extends java.lang.Object
    A vector with attribute information.
    Author:
    Haifeng Li

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Attribute attribute()
      Returns the attribute.
      java.lang.String head​(int n)
      Shows the first few rows.
      java.lang.String[] names()
      Returns the name vector.
      int size()
      Returns the vector size.
      AttributeVector summary()
      Returns statistic summary.
      java.lang.String tail​(int n)
      Shows the last few rows.
      java.lang.String toString()  
      java.lang.String toString​(int from, int to)
      Stringify the vector.
      double[] vector()
      Returns the data vector.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • AttributeVector

        public AttributeVector​(Attribute attribute,
                       double[] vector)
        Constructor.
        Parameters:
        attribute - the attribute information.
        vector - the data vector.

      • AttributeVector

        public AttributeVector​(Attribute attribute,
                       double[] vector,
                       java.lang.String[] names)
        Constructor.
        Parameters:
        attribute - the attribute information.
        vector - the data vector.
        names - optional names for each element.

    • Method Detail

      • attribute

        public Attribute attribute()
        Returns the attribute.

      • vector

        public double[] vector()
        Returns the data vector.

      • names

        public java.lang.String[] names()
        Returns the name vector.

      • size

        public int size()
        Returns the vector size.
        Returns:

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • head

        public java.lang.String head​(int n)
        Shows the first few rows.

      • tail

        public java.lang.String tail​(int n)
        Shows the last few rows.

      • toString

        public java.lang.String toString​(int from,
                                 int to)
        Stringify the vector.
        Parameters:
        from - starting row (inclusive)
        to - ending row (exclusive)