Example usage for org.apache.commons.math3.exception.util LocalizedFormats INVALID_REGRESSION_OBSERVATION

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Prototype

LocalizedFormats INVALID_REGRESSION_OBSERVATION

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Usage

From source file:experiment.SimpleRegression_bug.java

/**
 * Adds the observations represented by the elements in
 * <code>data</code>./*from   w  ww . j av  a  2s. co  m*/
 * <p>
 * <code>(data[0][0],data[0][1])</code> will be the first observation, then
 * <code>(data[1][0],data[1][1])</code>, etc.</p>
 * <p>
 * This method does not replace data that has already been added.  The
 * observations represented by <code>data</code> are added to the existing
 * dataset.</p>
 * <p>
 * To replace all data, use <code>clear()</code> before adding the new
 * data.</p>
 *
 * @param data array of observations to be added
 * @throws ModelSpecificationException if the length of {@code data[i]} is not
 * greater than or equal to 2
 */
public void addData(final double[][] data) throws ModelSpecificationException {
    for (int i = 0; i < data.length; i++) {
        if (data[i].length < 2) {
            throw new ModelSpecificationException(LocalizedFormats.INVALID_REGRESSION_OBSERVATION,
                    data[i].length, 2);
        }
        addData(data[i][0], data[i][1]);
    }
}

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From source file:experiment.SimpleRegression_bug.java

/**
 * Adds one observation to the regression model.
 *
 * @param x the independent variables which form the design matrix
 * @param y the dependent or response variable
 * @throws ModelSpecificationException if the length of {@code x} does not equal
 * the number of independent variables in the model
 *//* w w  w. jav a  2s.  c  o  m*/
public void addObservation(final double[] x, final double y) throws ModelSpecificationException {
    if (x == null || x.length == 0) {
        throw new ModelSpecificationException(LocalizedFormats.INVALID_REGRESSION_OBSERVATION,
                x != null ? x.length : 0, 1);
    }
    addData(x[0], y);
}

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