GraphFactory







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org.statcato.graph

Class GraphFactory

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



public class GraphFactoryextends 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
createBarChart(java.lang.String title,
java.lang.String xTitle,
java.lang.String yTitle,
org.jfree.data.category.DefaultCategoryDataset dataset,
org.jfree.chart.plot.PlotOrientation orientation,
boolean hasLegend)


          Creates a bar chart.



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
createHistogram(java.lang.String title,
java.lang.String xTitle,
java.lang.String yTitle,
org.jfree.data.statistics.HistogramDataset dataset,
boolean hasLegend,
org.jfree.chart.axis.TickUnits units,
double minBin,
double minBinStart,
boolean center,
double yTicks)


          Creates a histogram.



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
createPieChart(java.lang.String title,
org.jfree.data.general.DefaultPieDataset data,
boolean hasLegend,
boolean hasLabel)


          Creates a pie chart.



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 valuestitle - chart titlexLabel - x axis labelyLabel - y axis labelisDataOnXAxis - whether the data is on the x axisshowRegressionLine - 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 objecttitle - plot titlexLabel - x-axis labelyLabel - y-axis labelshowLegend - whether the legend should be shownhorizontal - 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 seriestitle - chart titlexLabel - x-axis labelyLabel - y-axis labelshowLegend - whether the legend should be shownshowRegression - whether a regression line should be shownregressionType - type of regressionregressionArg - regression argumentmin - minimum x valuemax - 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)valuesyVector - vector of y (dependent) valuesregressionType - type of regressionregressionArg - 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 seriestitle - chart titlexLabel - x-axis labelyLabel - y-axis labelshowLegend - whether the legend should be shownshowRegression - whether a regression line should be shownmin - minimum x valuemax - maximum x value
Returns:





createBarChart

public static org.jfree.chart.JFreeChart createBarChart(java.lang.String title,
java.lang.String xTitle,
java.lang.String yTitle,
org.jfree.data.category.DefaultCategoryDataset dataset,
org.jfree.chart.plot.PlotOrientation orientation,
boolean hasLegend)

Creates a bar chart.


Parameters:title - chart titlexTitle - x-axis titleyTitle - y-axis titledataset - bar chart datasetorientation - chart orientationhasLegend - whether a legend is included
Returns:JFreeChart object representing a bar chart





createPieChart

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

Creates a pie chart.


Parameters:title - chart titledata - pie chart datasethasLegend - whether a legend is includedhasLabel - whether labels for pie slices are included
Returns:JFreeChart object representing a pie chart





createHistogram

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

Creates a histogram.


Parameters:title - title of the histogramxTitle - x-axis labelyTitle - y-axis labeldataset - HistogramDataset objecthasLegend - whether a legend should be displayedunits - tick units object of the x-axisminBin - bin sizeminBinStart - the start of the first bincenter - whether the tick marks should be displayed in the middle of binsyTicks - tick mark units of the x-axis
Returns:JFreeChart object representing a histogram















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