# Package org.jfree.data.statistics

Classes for representing statistical data.

See: Description

Interface Summary
Interface | Description
--- | ---
BoxAndWhiskerCategoryDataset | A category dataset that defines various medians, outliers and an average value for each item.
BoxAndWhiskerXYDataset | An interface that defines data in the form of (x, max, min, average, median) tuples.
MultiValueCategoryDataset | A category dataset that defines multiple values for each item.
StatisticalCategoryDataset | A category dataset that defines a mean and standard deviation value for each item.

Class Summary
Class | Description
--- | ---
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.
BoxAndWhiskerItem | Represents one data item within a box-and-whisker dataset.
DefaultBoxAndWhiskerCategoryDataset | A convenience class that provides a default implementation of the `BoxAndWhiskerCategoryDataset` interface.
DefaultBoxAndWhiskerXYDataset | A simple implementation of the `BoxAndWhiskerXYDataset` interface.
DefaultMultiValueCategoryDataset | A category dataset that defines multiple values for each item.
DefaultStatisticalCategoryDataset | A convenience class that provides a default implementation of the `StatisticalCategoryDataset` interface.
HistogramBin | A bin for the `HistogramDataset` class.
HistogramDataset | A dataset that can be used for creating histograms.
HistogramType | A class for creating constants to represent the histogram type.
MeanAndStandardDeviation | A simple data structure that holds a mean value and a standard deviation value.
Regression | A utility class for fitting regression curves to data.
SimpleHistogramBin | A bin for the `SimpleHistogramDataset`.
SimpleHistogramDataset | A dataset used for creating simple histograms with custom defined bins.
Statistics | A utility class that provides some common statistical functions.

## Package org.jfree.data.statistics Description

Classes for representing statistical data.