Java Code Examples for org.apache.commons.math3.exception.util.LocalizedFormats#PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD

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Example 1
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>MathIllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws MathIllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 * @throws MathIllegalArgumentException if p is not a valid quantile
 */
public double getPercentile(double p) throws MathIllegalStateException, MathIllegalArgumentException {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 2
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws MathIllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(UnivariateStatistic percentileImpl)
throws MathIllegalArgumentException {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}
Example 3
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>MathIllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws MathIllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 * @throws MathIllegalArgumentException if p is not a valid quantile
 */
public double getPercentile(double p) throws MathIllegalStateException, MathIllegalArgumentException {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 4
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws MathIllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(UnivariateStatistic percentileImpl)
throws MathIllegalArgumentException {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}
Example 5
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>IllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws IllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 */
public double getPercentile(double p) {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 6
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws IllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(
        UnivariateStatistic percentileImpl) {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}
Example 7
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>MathIllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws MathIllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 * @throws MathIllegalArgumentException if p is not a valid quantile
 */
public double getPercentile(double p) throws MathIllegalStateException, MathIllegalArgumentException {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 8
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws MathIllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(UnivariateStatistic percentileImpl)
throws MathIllegalArgumentException {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}
Example 9
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>IllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws IllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 */
public double getPercentile(double p) {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 10
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws IllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(
        UnivariateStatistic percentileImpl) {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}
Example 11
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>MathIllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws MathIllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 * @throws MathIllegalArgumentException if p is not a valid quantile
 */
public double getPercentile(double p) throws MathIllegalStateException, MathIllegalArgumentException {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 12
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws MathIllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(UnivariateStatistic percentileImpl)
throws MathIllegalArgumentException {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}
Example 13
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>MathIllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws MathIllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 * @throws MathIllegalArgumentException if p is not a valid quantile
 */
public double getPercentile(double p) throws MathIllegalStateException, MathIllegalArgumentException {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 14
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws MathIllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(UnivariateStatistic percentileImpl)
throws MathIllegalArgumentException {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}
Example 15
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns an estimate for the pth percentile of the stored values.
 * <p>
 * The implementation provided here follows the first estimation procedure presented
 * <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
 * </p><p>
 * <strong>Preconditions</strong>:<ul>
 * <li><code>0 &lt; p &le; 100</code> (otherwise an
 * <code>MathIllegalArgumentException</code> is thrown)</li>
 * <li>at least one value must be stored (returns <code>Double.NaN
 *     </code> otherwise)</li>
 * </ul></p>
 *
 * @param p the requested percentile (scaled from 0 - 100)
 * @return An estimate for the pth percentile of the stored data
 * @throws MathIllegalStateException if percentile implementation has been
 *  overridden and the supplied implementation does not support setQuantile
 * @throws MathIllegalArgumentException if p is not a valid quantile
 */
public double getPercentile(double p) throws MathIllegalStateException, MathIllegalArgumentException {
    if (percentileImpl instanceof Percentile) {
        ((Percentile) percentileImpl).setQuantile(p);
    } else {
        try {
            percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                    new Class[] {Double.TYPE}).invoke(percentileImpl,
                            new Object[] {Double.valueOf(p)});
        } catch (NoSuchMethodException e1) { // Setter guard should prevent
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
                  percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
        } catch (IllegalAccessException e2) {
            throw new MathIllegalStateException(
                  LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
                  SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
        } catch (InvocationTargetException e3) {
            throw new IllegalStateException(e3.getCause());
        }
    }
    return apply(percentileImpl);
}
Example 16
Source File: DescriptiveStatistics.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Sets the implementation to be used by {@link #getPercentile(double)}.
 * The supplied <code>UnivariateStatistic</code> must provide a
 * <code>setQuantile(double)</code> method; otherwise
 * <code>IllegalArgumentException</code> is thrown.
 *
 * @param percentileImpl the percentileImpl to set
 * @throws MathIllegalArgumentException if the supplied implementation does not
 *  provide a <code>setQuantile</code> method
 * @since 1.2
 */
public synchronized void setPercentileImpl(UnivariateStatistic percentileImpl)
throws MathIllegalArgumentException {
    try {
        percentileImpl.getClass().getMethod(SET_QUANTILE_METHOD_NAME,
                new Class[] {Double.TYPE}).invoke(percentileImpl,
                        new Object[] {Double.valueOf(50.0d)});
    } catch (NoSuchMethodException e1) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_UNSUPPORTED_METHOD,
              percentileImpl.getClass().getName(), SET_QUANTILE_METHOD_NAME);
    } catch (IllegalAccessException e2) {
        throw new MathIllegalArgumentException(
              LocalizedFormats.PERCENTILE_IMPLEMENTATION_CANNOT_ACCESS_METHOD,
              SET_QUANTILE_METHOD_NAME, percentileImpl.getClass().getName());
    } catch (InvocationTargetException e3) {
        throw new IllegalArgumentException(e3.getCause());
    }
    this.percentileImpl = percentileImpl;
}