Example usage for org.jfree.data.statistics MeanAndStandardDeviation getMean

Introduction

In this page you can find the example usage for org.jfree.data.statistics MeanAndStandardDeviation getMean.

Prototype

public Number getMean() 

Source Link

Document

Returns the mean.

Usage

From source file:org.jfree.data.statistics.DefaultStatisticalCategoryDataset.java

/**
 * Returns the mean value for an item.//from ww w. ja  v  a  2  s  .  c o  m
 *
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 *
 * @return The mean value (possibly <code>null</code>).
 */
@Override
public Number getMeanValue(int row, int column) {
    Number result = null;
    MeanAndStandardDeviation masd = (MeanAndStandardDeviation) this.data.getObject(row, column);
    if (masd != null) {
        result = masd.getMean();
    }
    return result;
}

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From source file:org.jfree.data.statistics.DefaultStatisticalCategoryDataset.java

/**
 * Returns the mean value for an item./*from  ww w.  j  av  a 2  s .c  o m*/
 *
 * @param rowKey  the row key.
 * @param columnKey  the columnKey.
 *
 * @return The mean value (possibly <code>null</code>).
 */
@Override
public Number getMeanValue(Comparable rowKey, Comparable columnKey) {
    Number result = null;
    MeanAndStandardDeviation masd = (MeanAndStandardDeviation) this.data.getObject(rowKey, columnKey);
    if (masd != null) {
        result = masd.getMean();
    }
    return result;
}

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