com.itemanalysis.psychometrics.histogram

Interface BinCalculation

All Known Implementing Classes:

AbstractBinCalculation, FreedmanDiaconisBinCalculation, ScottBinCalculation, SimpleBinCalculation, SturgesBinCalculation

public interface BinCalculation

An interface for class that compute the number of bins in a histogram. The interface is design for a storeless computation of the number of bins. Implementations of this interface do not need to store the entire array of data points. The bins will be computed by incrementally updating them.

Author:

J. Patrick Meyer

Method Summary

Modifier and Type	Method and Description
double	binWidth() Gets the width of the bin according to the calculated number of bins.
BinCalculationType	getType()
int	numberOfBins() Get the number of histogram bins.

Method Detail

numberOfBins

int numberOfBins()

Get the number of histogram bins.

Returns:

number of bins.

binWidth

double binWidth()

Gets the width of the bin according to the calculated number of bins.

Returns:

bin width.

getType

BinCalculationType getType()