com.itemanalysis.psychometrics.histogram

Class ScottBinCalculation

java.lang.Object

com.itemanalysis.psychometrics.histogram.ScottBinCalculation

All Implemented Interfaces:

BinCalculation

public class ScottBinCalculation
extends java.lang.Object
implements BinCalculation

Scott's method form computing the number of bins in a histogram.

Author:

J. Patrick Meyer

Constructor Summary

Constructors

Constructor and Description
ScottBinCalculation(double n, double min, double max, double sd)

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.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ScottBinCalculation

public ScottBinCalculation(double n,
                           double min,
                           double max,
                           double sd)

Method Detail

numberOfBins

public int numberOfBins()

Description copied from interface: BinCalculation

Get the number of histogram bins.

Specified by:

numberOfBins in interface BinCalculation

Returns:

number of bins.

binWidth

public double binWidth()

Description copied from interface: BinCalculation

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

Specified by:

binWidth in interface BinCalculation

Returns:

bin width.

getType

public BinCalculationType getType()

Specified by:

getType in interface BinCalculation