org.statcato.graph

Class GraphFactory

java.lang.Object

org.statcato.graph.GraphFactory

public class GraphFactory
extends java.lang.Object

Functions for generating graphs.

Since:

1.0

See Also:

org.jfree.chart

Field Summary

Fields

Modifier and Type	Field and Description
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

Constructors

Constructor and Description
GraphFactory()

Method Summary

Modifier and Type	Method and Description
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 JFreeChart	createBarChart(java.lang.String title, java.lang.String xTitle, java.lang.String yTitle, DefaultCategoryDataset dataset, PlotOrientation orientation, boolean hasLegend) Creates a bar chart.
static JFreeChart	createBoxPlot(DefaultBoxAndWhiskerCategoryDataset dataset, java.lang.String title, java.lang.String xLabel, java.lang.String yLabel, boolean showLegend, boolean horizontal) Creates a box plot.
static JFreeChart	createHistogram(java.lang.String title, java.lang.String xTitle, java.lang.String yTitle, HistogramDataset dataset, boolean hasLegend, TickUnits units, double minBin, double minBinStart, boolean center, double yTicks) Creates a histogram.
static JFreeChart	createNormalQuantilePlot(java.util.ArrayList<java.lang.Double> YColumnArray, java.lang.String title, java.lang.String xLabel, java.lang.String yLabel, boolean isDataOnXAxis, boolean showRegressionLine) Creates a normal quantile plot.
static 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 JFreeChart	createPieChart(java.lang.String title, DefaultPieDataset data, boolean hasLegend, boolean hasLabel) Creates a pie chart.
static JFreeChart	createResidualPlot(XYSeriesCollection seriesCollection, java.lang.String title, java.lang.String xLabel, java.lang.String yLabel, boolean showLegend, boolean showZeroHorizon, double min, double max) Creates a residual plot.
static JFreeChart	createScatterplot(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 JFreeChart	createScatterplot(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

equals, 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 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

createNormalQuantilePlot

public static JFreeChart createNormalQuantilePlot(java.util.ArrayList<java.lang.Double> YColumnArray,
                                                  java.lang.String title,
                                                  java.lang.String xLabel,
                                                  java.lang.String yLabel,
                                                  boolean isDataOnXAxis,
                                                  boolean showRegressionLine)

Creates a normal quantile plot.

Parameters:

YColumnArray - ArrayList 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 JFreeChart createBoxPlot(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 JFreeChart createScatterplot(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:

JFreeChart object representing a scatterplot

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 JFreeChart createScatterplot(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:

createResidualPlot

public static JFreeChart createResidualPlot(XYSeriesCollection seriesCollection,
                                            java.lang.String title,
                                            java.lang.String xLabel,
                                            java.lang.String yLabel,
                                            boolean showLegend,
                                            boolean showZeroHorizon,
                                            double min,
                                            double max)

Creates a residual plot.

Parameters:

seriesCollection - XYSeriesCollection containing the data series Y series contains residuals

title - chart title

xLabel - x-axis label

yLabel - y-axis label

showLegend - whether the legend should be shown

showZeroHorizon - whether a horizontal line Y = 0 should be shown

min - minimum x value

max - maximum x value

Returns:

JFreeChart residual plot

createBarChart

public static JFreeChart createBarChart(java.lang.String title,
                                        java.lang.String xTitle,
                                        java.lang.String yTitle,
                                        DefaultCategoryDataset dataset,
                                        PlotOrientation orientation,
                                        boolean hasLegend)

Creates a bar chart.

Parameters:

title - chart title

xTitle - x-axis title

yTitle - y-axis title

dataset - bar chart dataset

orientation - chart orientation

hasLegend - whether a legend is included

Returns:

JFreeChart object representing a bar chart

createPieChart

public static JFreeChart createPieChart(java.lang.String title,
                                        DefaultPieDataset data,
                                        boolean hasLegend,
                                        boolean hasLabel)

Creates a pie chart.

Parameters:

title - chart title

data - pie chart dataset

hasLegend - whether a legend is included

hasLabel - whether labels for pie slices are included

Returns:

JFreeChart object representing a pie chart

createHistogram

public static JFreeChart createHistogram(java.lang.String title,
                                         java.lang.String xTitle,
                                         java.lang.String yTitle,
                                         HistogramDataset dataset,
                                         boolean hasLegend,
                                         TickUnits units,
                                         double minBin,
                                         double minBinStart,
                                         boolean center,
                                         double yTicks)

Creates a histogram.

Parameters:

title - title of the histogram

xTitle - x-axis label

yTitle - y-axis label

dataset - HistogramDataset object

hasLegend - whether a legend should be displayed

units - tick units object of the x-axis

minBin - bin size

minBinStart - the start of the first bin

center - whether the tick marks should be displayed in the middle of bins

yTicks - tick mark units of the y-axis

Returns:

JFreeChart object representing a histogram