SlopeInterceptLineFit (LCSim 3.1.7 API)

java.lang.Object
- org.lcsim.fit.line.SlopeInterceptLineFit

```
public class SlopeInterceptLineFit
extends Object
```
The result of a fit to a 2-D line in slope-intercept form y=a+bx .

Author:

Norman Graf

Field Summary

Fields
Modifier and Type	Field and Description
`private double`	`_chisq`
`private double`	`_intercept`
`private int`	`_ndf`
`private double`	`_sigA`
`private double`	`_sigAB`
`private double`	`_sigB`
`private double`	`_slope`

Constructor Summary

Constructors
Constructor and Description
`SlopeInterceptLineFit(double slope, double intercept, double slopeUncertainty, double interceptUncertainty, double sigAB, double chisq, int ndf)` Creates a new instance of SlopeInterceptLineFit

Method Summary

Methods
Modifier and Type	Method and Description
`double`	`chisquared()`
`double`	`covariance()`
`double`	`intercept()`
`double`	`interceptUncertainty()`
`int`	`ndf()`
`double`	`slope()`
`double`	`slopeUncertainty()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - _slope
```
private double _slope
```
  - _intercept
```
private double _intercept
```
  - _sigA
```
private double _sigA
```
  - _sigB
```
private double _sigB
```
  - _sigAB
```
private double _sigAB
```
  - _chisq
```
private double _chisq
```
  - _ndf
```
private int _ndf
```
- Constructor Detail
  - SlopeInterceptLineFit
```
public SlopeInterceptLineFit(double slope,
                     double intercept,
                     double slopeUncertainty,
                     double interceptUncertainty,
                     double sigAB,
                     double chisq,
                     int ndf)
```
    Creates a new instance of SlopeInterceptLineFit
    
    Parameters:
    slope - The slope of the line.
    intercept - The intercept of the line.
    slopeUncertainty - The uncertainty on the slope
    interceptUncertainty - The uncertainty on the intercept
    sigAB - The covariance term.
    chisq - The chi-squared of the fit
    ndf - The number of degrees of freedom for the fit
- Method Detail
  - slope
```
public double slope()
```
    Returns:
    The fit slope of the line.
  - slopeUncertainty
```
public double slopeUncertainty()
```
    Returns:
    The uncertainty on the fit slope of the line.
  - intercept
```
public double intercept()
```
    Returns:
    The fit intercept of the line.
  - interceptUncertainty
```
public double interceptUncertainty()
```
    Returns:
    The uncertainty on the fit intercept of the line.
  - covariance
```
public double covariance()
```
    Returns:
    The covariance of the slope-intercept uncertainties.
  - chisquared
```
public double chisquared()
```
    Returns:
    The chi-squared of the fit.
  - ndf
```
public int ndf()
```
    Returns:
    The number of degrees of freedom in the fit.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class SlopeInterceptLineFit

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

_slope

_intercept

_sigA

_sigB

_sigAB

_chisq

_ndf

Constructor Detail

SlopeInterceptLineFit

Method Detail

slope

slopeUncertainty

intercept

interceptUncertainty

covariance

chisquared

ndf

toString