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

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Prototype

LocalizedFormats NOT_ENOUGH_DATA_FOR_NUMBER_OF_PREDICTORS

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Usage

From source file:experiment.SimpleRegression_bug.java

/**
 * Adds a series of observations to the regression model. The lengths of
 * x and y must be the same and x must be rectangular.
 *
 * @param x a series of observations on the independent variables
 * @param y a series of observations on the dependent variable
 * The length of x and y must be the same
 * @throws ModelSpecificationException if {@code x} is not rectangular, does not match
 * the length of {@code y} or does not contain sufficient data to estimate the model
 *//*  www. ja va2s.  co m*/
public void addObservations(final double[][] x, final double[] y) throws ModelSpecificationException {
    if ((x == null) || (y == null) || (x.length != y.length)) {
        throw new ModelSpecificationException(LocalizedFormats.DIMENSIONS_MISMATCH_SIMPLE,
                (x == null) ? 0 : x.length, (y == null) ? 0 : y.length);
    }
    boolean obsOk = true;
    for (int i = 0; i < x.length; i++) {
        if (x[i] == null || x[i].length == 0) {
            obsOk = false;
        }
    }
    if (!obsOk) {
        throw new ModelSpecificationException(LocalizedFormats.NOT_ENOUGH_DATA_FOR_NUMBER_OF_PREDICTORS, 0, 1);
    }
    for (int i = 0; i < x.length; i++) {
        addData(x[i][0], y[i]);
    }
}

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