org.statcato.graph
Class GraphFactory

java.lang.Object
  org.statcato.graph.GraphFactory

public class GraphFactory
extends java.lang.Object

Fumnctions for generating graphs.

Since:

1.0

Version:

%I%, %G%

Author:

Margaret Yau

See Also:

org.jfree.chart

Field Summary

static java.awt.Color[]	COLORS
static int	REG_CUBIC Cubic regression
static int	REG_EXP Exponential regression
static int	REG_FIXEDPOW Fixed power regression
static int	REG_LIN Linear regression
static int	REG_LOG Logarithmic regression
static int	REG_NONE No regression
static int	REG_POLY Polynomial regression
static int	REG_POW Power regression
static int	REG_QUAD Quadratic regression

Constructor Summary

GraphFactory()

Method Summary

static java.util.Vector<java.lang.Double>	computeRegressionCoeff(java.util.Vector<java.lang.Double> xVector, java.util.Vector<java.lang.Double> yVector, int regressionType, double regressionArg) Computes the regression coefficients for the given vectors and regression type.
static org.jfree.chart.JFreeChart	createBoxPlot(org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset dataset, java.lang.String title, java.lang.String xLabel, java.lang.String yLabel, boolean showLegend, boolean horizontal) Creates a box plot.
static org.jfree.chart.JFreeChart	createNormalQuantilePlot(java.util.Vector<java.lang.Double> YColumnVector, java.lang.String title, java.lang.String xLabel, java.lang.String yLabel, boolean isDataOnXAxis, boolean showRegressionLine) Creates a normal quantile plot.
static org.jfree.chart.JFreeChart	createScatterplot(org.jfree.data.xy.XYSeriesCollection seriesCollection, java.lang.String title, java.lang.String xLabel, java.lang.String yLabel, boolean showLegend, boolean showRegression, double min, double max) Creates a scatterplot.
static org.jfree.chart.JFreeChart	createScatterplot(org.jfree.data.xy.XYSeriesCollection seriesCollection, java.lang.String title, java.lang.String xLabel, java.lang.String yLabel, boolean showLegend, int regressionType, double regressionArg, double min, double max) Creates a scatterplot.

Methods inherited from class java.lang.Object

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

Field Detail

REG_NONE

public static final int REG_NONE

No regression

See Also:

Constant Field Values

REG_LIN

public static final int REG_LIN

Linear regression

See Also:

Constant Field Values

REG_QUAD

public static final int REG_QUAD

Quadratic regression

See Also:

Constant Field Values

REG_CUBIC

public static final int REG_CUBIC

Cubic regression

See Also:

Constant Field Values

REG_POLY

public static final int REG_POLY

Polynomial regression

See Also:

Constant Field Values

REG_LOG

public static final int REG_LOG

Logarithmic regression

See Also:

Constant Field Values

REG_POW

public static final int REG_POW

Power regression

See Also:

Constant Field Values

REG_FIXEDPOW

public static final int REG_FIXEDPOW

Fixed power regression

See Also:

Constant Field Values

REG_EXP

public static final int REG_EXP

Exponential regression

See Also:

Constant Field Values

COLORS

public static final java.awt.Color[] COLORS

Constructor Detail

GraphFactory

public GraphFactory()

Method Detail

createNormalQuantilePlot

public static org.jfree.chart.JFreeChart createNormalQuantilePlot(java.util.Vector<java.lang.Double> YColumnVector,
                                                                  java.lang.String title,
                                                                  java.lang.String xLabel,
                                                                  java.lang.String yLabel,
                                                                  boolean isDataOnXAxis,
                                                                  boolean showRegressionLine)

Creates a normal quantile plot.

Parameters:

YColumnVector - vector of data values

title - chart title

xLabel - x axis label

yLabel - y axis label

isDataOnXAxis - whether the data is on the x axis

showRegressionLine - whether the regression line should be shown

Returns:

JFreeChart plot object

createBoxPlot

public static org.jfree.chart.JFreeChart createBoxPlot(org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset dataset,
                                                       java.lang.String title,
                                                       java.lang.String xLabel,
                                                       java.lang.String yLabel,
                                                       boolean showLegend,
                                                       boolean horizontal)

Creates a box plot.

Parameters:

dataset - DefaultBoxAndWhisterCategoryDataset object

title - plot title

xLabel - x-axis label

yLabel - y-axis label

showLegend - whether the legend should be shown

horizontal - whether the plot is horizontal

Returns:

JFreeChart plot object

createScatterplot

public static org.jfree.chart.JFreeChart createScatterplot(org.jfree.data.xy.XYSeriesCollection seriesCollection,
                                                           java.lang.String title,
                                                           java.lang.String xLabel,
                                                           java.lang.String yLabel,
                                                           boolean showLegend,
                                                           int regressionType,
                                                           double regressionArg,
                                                           double min,
                                                           double max)

Creates a scatterplot.

Parameters:

seriesCollection - XYSeriesCollection containing the data series

title - chart title

xLabel - x-axis label

yLabel - y-axis label

showLegend - whether the legend should be shown

showRegression - whether a regression line should be shown

regressionType - type of regression

regressionArg - regression argument

min - minimum x value

max - maximum x value

Returns:

computeRegressionCoeff

public static java.util.Vector<java.lang.Double> computeRegressionCoeff(java.util.Vector<java.lang.Double> xVector,
                                                                        java.util.Vector<java.lang.Double> yVector,
                                                                        int regressionType,
                                                                        double regressionArg)

Computes the regression coefficients for the given vectors and regression type.

Parameters:

xVector - vector of x (independent)values

yVector - vector of y (dependent) values

regressionType - type of regression

regressionArg - arguments for specific types of regression

Returns:

vector of regression coefficients

createScatterplot

public static org.jfree.chart.JFreeChart createScatterplot(org.jfree.data.xy.XYSeriesCollection seriesCollection,
                                                           java.lang.String title,
                                                           java.lang.String xLabel,
                                                           java.lang.String yLabel,
                                                           boolean showLegend,
                                                           boolean showRegression,
                                                           double min,
                                                           double max)

Creates a scatterplot.

Parameters:

seriesCollection - XYSeriesCollection containing the data series

title - chart title

xLabel - x-axis label

yLabel - y-axis label

showLegend - whether the legend should be shown

showRegression - whether a regression line should be shown

min - minimum x value

max - maximum x value

Returns: