Ejemplo n.º 1
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 /**
  * Copies source to dest.
  * <p>Neither source nor dest can be null.</p>
  *
  * @param source SecondMoment to copy
  * @param dest SecondMoment to copy to
  * @throws NullArgumentException if either source or dest is null
  */
 public static void copy(SecondMoment source, SecondMoment dest)
 {
     MathUtils.checkNotNull(source);
     MathUtils.checkNotNull(dest);
     FirstMoment.copy(source, dest);
     dest.m2 = source.m2;
 }
Ejemplo n.º 2
0
        /**
         * {@inheritDoc}
         */

        public override UnivariateStatistic copy()//TODO: Supposed to be public override SecondMoment copy()
        {
            SecondMoment result = new SecondMoment();

            // no try-catch or advertised NAE because args are guaranteed non-null
            copy(this, result);
            return(result);
        }
Ejemplo n.º 3
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 /**
  * Copy constructor, creates a new {@code SecondMoment} identical
  * to the {@code original}
  *
  * @param original the {@code SecondMoment} instance to copy
  * @throws NullArgumentException if original is null
  */
 public SecondMoment(SecondMoment original) : base(original)
 {
     m2 = original.m2;
 }
Ejemplo n.º 4
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 /**
  * Constructs a Variance with the specified <code>isBiasCorrected</code>
  * property and the supplied external second moment.
  *
  * @param isBiasCorrected  setting for bias correction - true means
  * bias will be corrected
  * @param m2 the SecondMoment (Third or Fourth moments work
  * here as well.)
  */
 public Variance(bool isBiasCorrected, SecondMoment m2)
 {
     incMoment        = false;
     moment           = m2;
     _isBiasCorrected = isBiasCorrected;
 }
Ejemplo n.º 5
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 /**
  * Constructs a Variance with the specified <code>isBiasCorrected</code>
  * property
  *
  * @param isBiasCorrected  setting for bias correction - true means
  * bias will be corrected and is equivalent to using the argumentless
  * constructor
  */
 public Variance(bool isBiasCorrected)
 {
     moment           = new SecondMoment();
     _isBiasCorrected = isBiasCorrected;
 }
Ejemplo n.º 6
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 /**
  * Constructs a Variance based on an external second moment.
  * When this constructor is used, the statistic may only be
  * incremented via the moment, i.e., {@link #increment(double)}
  * does nothing; whereas {@code m2.increment(value)} increments
  * both {@code m2} and the Variance instance constructed from it.
  *
  * @param m2 the SecondMoment (Third or Fourth moments work
  * here as well.)
  */
 public Variance(SecondMoment m2)
 {
     incMoment = false;
     moment    = m2;
 }
Ejemplo n.º 7
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 /**
  * Constructs a Variance with default (true) <code>isBiasCorrected</code>
  * property.
  */
 public Variance()
 {
     moment = new SecondMoment();
 }