jhpro.stat

Class DataKeeper

java.lang.Object

jhpro.stat.DataKeeper

public class DataKeeper
extends java.lang.Object

A convenient class to keep data with error for an internal representation. Can be filled from histograms or P1D.

Constructor Summary

Constructors

Constructor and Description
DataKeeper(H1D h1d) Initialize from a histogram
DataKeeper(int size)
DataKeeper(P1D p1d) Initialize from a P1D

Method Summary

Modifier and Type	Method and Description
DataKeeper	copy() Make a copy
double	getError(int index) Get error at index
double[]	getErrors()
double	getIntegral() Calculate integral, summing up all values
int	getSize() Get the size of container
java.lang.String	getTitle()
double	getValue(int index) Get value at index
double[]	getValues() Get values
void	scale(double factor) Scale all values and errors by a factor
void	scale(int index, double factor) Scale values and errors by a factor
void	setError(int index, double value) Set a error at index
void	setErrors(double[] errors)
void	setTitle(java.lang.String title)
void	setValue(int index, double value) Set a value at index
void	setValues(double[] values)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataKeeper

public DataKeeper(int size)

DataKeeper

public DataKeeper(P1D p1d)

Initialize from a P1D

Parameters:

p1d - input P1D

DataKeeper

public DataKeeper(H1D h1d)

Initialize from a histogram

Parameters:

h1d -

Method Detail

setTitle

public void setTitle(java.lang.String title)

getTitle

public java.lang.String getTitle()

setErrors

public void setErrors(double[] errors)

setValues

public void setValues(double[] values)

scale

public void scale(int index,
                  double factor)

Scale values and errors by a factor

Parameters:

index - index of the value

factor - factor to scale

scale

public void scale(double factor)

Scale all values and errors by a factor

Parameters:

factor - factor to scale

getErrors

public double[] getErrors()

copy

public DataKeeper copy()

Make a copy

Returns:

getValues

public double[] getValues()

Get values

Returns:

getIntegral

public double getIntegral()

Calculate integral, summing up all values

Returns:

H1D integral

getError

public double getError(int index)

Get error at index

Parameters:

index -

getValue

public double getValue(int index)

Get value at index

Parameters:

index -

setValue

public void setValue(int index,
                     double value)

Set a value at index

Parameters:

index - index

value - value

setError

public void setError(int index,
                     double value)

Set a error at index

Parameters:

index - index

value - value

getSize

public int getSize()

Get the size of container

Returns: