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java.lang.Objectorg.jfree.data.statistics.BoxAndWhiskerCalculator
public abstract class BoxAndWhiskerCalculator
A utility class that calculates the mean, median, quartiles Q1 and Q3, plus
a list of outlier values...all from an arbitrary list of
Number objects.
| Constructor Summary | |
|---|---|
BoxAndWhiskerCalculator()
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| Method Summary | |
|---|---|
static BoxAndWhiskerItem |
calculateBoxAndWhiskerStatistics(java.util.List values)
Calculates the statistics required for a BoxAndWhiskerItem. |
static double |
calculateQ1(java.util.List values)
Calculates the first quartile for a list of numbers in ascending order. |
static double |
calculateQ3(java.util.List values)
Calculates the third quartile for a list of numbers in ascending order. |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public BoxAndWhiskerCalculator()
| Method Detail |
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public static BoxAndWhiskerItem calculateBoxAndWhiskerStatistics(java.util.List values)
BoxAndWhiskerItem.
Any items in the list that are not instances of the Number
class are ignored. Likewise, null values are ignored.
values - a list of numbers (a null list is not
permitted).
public static double calculateQ1(java.util.List values)
values - the numbers in ascending order.
public static double calculateQ3(java.util.List values)
values - the list of values.
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