public class Variance extends Function
Title: Variance class
Description: Variance function.
Example:
function = new com.steema.teechart.functions.Variance();
function.setChart(myChart.getChart());
function.setPeriod(0); //all points
Line functionSeries = new Line(myChart.getChart());
functionSeries.setTitle("Variance");
functionSeries.setDataSource(series);
functionSeries.setVerticalAxis(VerticalAxis.RIGHT);
functionSeries.setFunction(function);
Copyright (c) 2005-2013 by Steema Software SL. All Rights Reserved.
Company: Steema Software SL
canUsePeriod, dPeriod, HideSourceList, noSourceRequired, series, SingleSource, updatingchart, InternalUse| Constructor and Description |
|---|
Variance() |
| Modifier and Type | Method and Description |
|---|---|
double |
calculate(Series s,
int firstIndex,
int lastIndex)
Performs function operation on s series.
|
double |
calculateMany(java.util.ArrayList sourceSeries,
int valueIndex)
Performs function operation on all sourceSeries series.
|
java.lang.String |
getDescription()
Gets descriptive text.
|
addFunctionXY, addPoints, calculateAllPoints, calculateByPeriod, calculatePeriod, clear, dispose, doCalculation, getPeriod, getPeriodAlign, getPeriodStyle, getSeries, newInstance, readResolve, recalculate, setPeriod, setPeriodAlign, setPeriodStyle, setSeries, valueListgetChart, invalidate, setBooleanProperty, setChart, setColorProperty, setDoubleProperty, setIntegerProperty, setStringPropertypublic double calculate(Series s, int firstIndex, int lastIndex)
public double calculateMany(java.util.ArrayList sourceSeries,
int valueIndex)
calculateMany in class FunctionsourceSeries - ArrayListvalueIndex - intpublic java.lang.String getDescription()
getDescription in class Function