/** * {@inheritDoc} */ public override UnivariateStatistic copy() { Variance result = new Variance(); // No try-catch or advertised exception because parameters are guaranteed non-null copy(this, result); return(result); }
/** * Copies source to dest. * <p>Neither source nor dest can be null.</p> * * @param source Variance to copy * @param dest Variance to copy to * @throws NullArgumentException if either source or dest is null */ public static void copy(Variance source, Variance dest) { MathUtils.checkNotNull(source); MathUtils.checkNotNull(dest); dest.setData(source.getDataRef()); dest.moment = (SecondMoment)source.moment.copy(); dest._isBiasCorrected = source._isBiasCorrected; dest.incMoment = source.incMoment; }
/** * Copy constructor, creates a new {@code Variance} identical * to the {@code original} * * @param original the {@code Variance} instance to copy * @throws NullArgumentException if original is null */ public Variance(Variance original) { copy(original, this); }