OLSTrendLine (HM Gears 0.10.7 API)

java.lang.Object
- org.hortonmachine.gears.utils.math.regressions.OLSTrendLine

All Implemented Interfaces:

RegressionLine

Direct Known Subclasses:

ExpTrendLine, LogTrendLine, PolyTrendLine, PowerTrendLine
```
public abstract class OLSTrendLine
extends Object
implements RegressionLine
```
Taken from https://stackoverflow.com/questions/17592139/trend-lines-regression-curve-fitting-java-library

Constructor Summary

Constructors
Constructor Description

OLSTrendLine()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`double[]`	`getRegressionParameters()`
`double[]`	`getRegressionParametersErrors()`
`double[]`	`getResiduals()`
`double`	`getRSquared()`
`protected abstract boolean`	`logY()`
`double`	`predict(double x)`
`void`	`setValues(double[] y, double[] x)`
`protected abstract double[]`	`xVector(double x)`

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

- Constructor Detail
  - OLSTrendLine
```
public OLSTrendLine()
```
- Method Detail
  - xVector
```
protected abstract double[] xVector(double x)
```
  - logY
```
protected abstract boolean logY()
```
  - setValues
```
public void setValues(double[] y,
                      double[] x)
```
    Specified by:
    
    setValues in interface RegressionLine
  - getRegressionParameters
```
public double[] getRegressionParameters()
```
    Specified by:
    
    getRegressionParameters in interface RegressionLine
  - getRegressionParametersErrors
```
public double[] getRegressionParametersErrors()
```
    Specified by:
    
    getRegressionParametersErrors in interface RegressionLine
  - getRSquared
```
public double getRSquared()
```
    Specified by:
    
    getRSquared in interface RegressionLine
  - getResiduals
```
public double[] getResiduals()
```
    Specified by:
    
    getResiduals in interface RegressionLine
  - predict
```
public double predict(double x)
```
    Specified by:
    
    predict in interface RegressionLine