本文整理匯總了Java中org.apache.commons.math3.stat.StatUtils.sumSq方法的典型用法代碼示例。如果您正苦於以下問題:Java StatUtils.sumSq方法的具體用法?Java StatUtils.sumSq怎麽用?Java StatUtils.sumSq使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.commons.math3.stat.StatUtils
的用法示例。
在下文中一共展示了StatUtils.sumSq方法的4個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: agg
import org.apache.commons.math3.stat.StatUtils; //導入方法依賴的package包/類
@Override
public double agg(double[] data) {
return StatUtils.sumSq(data);
}
示例2: calculateTotalSumOfSquares
import org.apache.commons.math3.stat.StatUtils; //導入方法依賴的package包/類
/**
* <p>Returns the sum of squared deviations of Y from its mean.</p>
*
* <p>If the model has no intercept term, <code>0</code> is used for the
* mean of Y - i.e., what is returned is the sum of the squared Y values.</p>
*
* <p>The value returned by this method is the SSTO value used in
* the {@link #calculateRSquared() R-squared} computation.</p>
*
* @return SSTO - the total sum of squares
* @throws NullPointerException if the sample has not been set
* @see #isNoIntercept()
* @since 2.2
*/
public double calculateTotalSumOfSquares() {
if (isNoIntercept()) {
return StatUtils.sumSq(getY().toArray());
} else {
return new SecondMoment().evaluate(getY().toArray());
}
}
示例3: calculateTotalSumOfSquares
import org.apache.commons.math3.stat.StatUtils; //導入方法依賴的package包/類
/**
* <p>Returns the sum of squared deviations of Y from its mean.</p>
*
* <p>If the model has no intercept term, <code>0</code> is used for the
* mean of Y - i.e., what is returned is the sum of the squared Y values.</p>
*
* <p>The value returned by this method is the SSTO value used in
* the {@link #calculateRSquared() R-squared} computation.</p>
*
* @return SSTO - the total sum of squares
* @throws MathIllegalArgumentException if the sample has not been set or does
* not contain at least 3 observations
* @see #isNoIntercept()
* @since 2.2
*/
public double calculateTotalSumOfSquares() throws MathIllegalArgumentException {
if (isNoIntercept()) {
return StatUtils.sumSq(getY().toArray());
} else {
return new SecondMoment().evaluate(getY().toArray());
}
}
示例4: calculateTotalSumOfSquares
import org.apache.commons.math3.stat.StatUtils; //導入方法依賴的package包/類
/**
* <p>Returns the sum of squared deviations of Y from its mean.</p>
*
* <p>If the model has no intercept term, <code>0</code> is used for the
* mean of Y - i.e., what is returned is the sum of the squared Y values.</p>
*
* <p>The value returned by this method is the SSTO value used in
* the {@link #calculateRSquared() R-squared} computation.</p>
*
* @return SSTO - the total sum of squares
* @see #isNoIntercept()
* @since 2.2
*/
public double calculateTotalSumOfSquares() {
if (isNoIntercept()) {
return StatUtils.sumSq(getY().toArray());
} else {
return new SecondMoment().evaluate(getY().toArray());
}
}