/**
* Returns the first quartile value.
*
* @param rowKey the row key.
* @param columnKey the column key.
* @return The first quartile value.
* @see #getItem(int, int)
*/
public Number getQ1Value(Comparable rowKey, Comparable columnKey) {
Number result = null;
BoxAndWhiskerItem item = (BoxAndWhiskerItem) this.data.getObject(rowKey, columnKey);
if (item != null) {
result = item.getQ1();
}
return result;
}
/**
* Returns the Q1 median-value for the specified series and item.
*
* @param series the series (zero-based index).
* @param item the item (zero-based index).
* @return The Q1 median-value for the specified series and item.
*/
public Number getQ1Value(int series, int item) {
Number result = null;
BoxAndWhiskerItem stats = (BoxAndWhiskerItem) this.items.get(item);
if (stats != null) {
result = stats.getQ1();
}
return result;
}
/**
* Returns the first quartile value.
*
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @return The first quartile value.
* @see #getItem(int, int)
*/
public Number getQ1Value(int row, int column) {
Number result = null;
BoxAndWhiskerItem item = (BoxAndWhiskerItem) this.data.getObject(row, column);
if (item != null) {
result = item.getQ1();
}
return result;
}
