plot2d.html

< 数据挖掘--实用机器学习技术及java实现> 一书结合数据挖掘和机器学习的知识,作者陈述了自动挖掘模式的基础理论,并且以java语言实现了具有代表性的各类数据挖掘方法.例如:class

<A NAME="setYindex(int)"><!-- --></A><H3>
setYindex</H3>
<PRE>
public void <B>setYindex</B>(int&nbsp;y)</PRE>
<DL>
<DD>Set the index of the attribute to go on the y axis<DD><DL>
<DT><B>Parameters:</B><DD><CODE>y</CODE> - the index of the attribute to use on the y axis</DL>
</DD>
</DL>
<HR>

<A NAME="setCindex(int)"><!-- --></A><H3>
setCindex</H3>
<PRE>
public void <B>setCindex</B>(int&nbsp;c)</PRE>
<DL>
<DD>Set the index of the attribute to use for colouring<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - the index of the attribute to use for colouring</DL>
</DD>
</DL>
<HR>

<A NAME="getPlots()"><!-- --></A><H3>
getPlots</H3>
<PRE>
public <A HREF="../../../weka/core/FastVector.html">FastVector</A> <B>getPlots</B>()</PRE>
<DL>
<DD>Return the list of plots<DD><DL>
<DT><B>Returns:</B><DD>the list of plots</DL>
</DD>
</DL>
<HR>

<A NAME="getMasterPlot()"><!-- --></A><H3>
getMasterPlot</H3>
<PRE>
public <A HREF="../../../weka/gui/visualize/PlotData2D.html">PlotData2D</A> <B>getMasterPlot</B>()</PRE>
<DL>
<DD>Get the master plot<DD><DL>
<DT><B>Returns:</B><DD>the master plot</DL>
</DD>
</DL>
<HR>

<A NAME="getMaxX()"><!-- --></A><H3>
getMaxX</H3>
<PRE>
public double <B>getMaxX</B>()</PRE>
<DL>
<DD>Return the current max value of the attribute plotted on the x axis<DD><DL>
<DT><B>Returns:</B><DD>the max x value</DL>
</DD>
</DL>
<HR>

<A NAME="getMaxY()"><!-- --></A><H3>
getMaxY</H3>
<PRE>
public double <B>getMaxY</B>()</PRE>
<DL>
<DD>Return the current max value of the attribute plotted on the y axis<DD><DL>
<DT><B>Returns:</B><DD>the max y value</DL>
</DD>
</DL>
<HR>

<A NAME="getMinX()"><!-- --></A><H3>
getMinX</H3>
<PRE>
public double <B>getMinX</B>()</PRE>
<DL>
<DD>Return the current min value of the attribute plotted on the x axis<DD><DL>
<DT><B>Returns:</B><DD>the min x value</DL>
</DD>
</DL>
<HR>

<A NAME="getMinY()"><!-- --></A><H3>
getMinY</H3>
<PRE>
public double <B>getMinY</B>()</PRE>
<DL>
<DD>Return the current min value of the attribute plotted on the y axis<DD><DL>
<DT><B>Returns:</B><DD>the min y value</DL>
</DD>
</DL>
<HR>

<A NAME="getMaxC()"><!-- --></A><H3>
getMaxC</H3>
<PRE>
public double <B>getMaxC</B>()</PRE>
<DL>
<DD>Return the current max value of the colouring attribute<DD><DL>
<DT><B>Returns:</B><DD>the max colour value</DL>
</DD>
</DL>
<HR>

<A NAME="getMinC()"><!-- --></A><H3>
getMinC</H3>
<PRE>
public double <B>getMinC</B>()</PRE>
<DL>
<DD>Return the current min value of the colouring attribute<DD><DL>
<DT><B>Returns:</B><DD>the min colour value</DL>
</DD>
</DL>
<HR>

<A NAME="setInstances(weka.core.Instances)"><!-- --></A><H3>
setInstances</H3>
<PRE>
public void <B>setInstances</B>(<A HREF="../../../weka/core/Instances.html">Instances</A>&nbsp;inst)
                  throws java.lang.Exception</PRE>
<DL>
<DD>Sets the master plot from a set of instances<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inst</CODE> - the instances<DT><B>Throws:</B><DD><CODE>exception</CODE> - Exception if instances could not be set</DL>
</DD>
</DL>
<HR>

<A NAME="setMasterPlot(weka.gui.visualize.PlotData2D)"><!-- --></A><H3>
setMasterPlot</H3>
<PRE>
public void <B>setMasterPlot</B>(<A HREF="../../../weka/gui/visualize/PlotData2D.html">PlotData2D</A>&nbsp;master)
                   throws java.lang.Exception</PRE>
<DL>
<DD>Set the master plot.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>master</CODE> - the plot to make the master plot<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if the plot could not be set.</DL>
</DD>
</DL>
<HR>

<A NAME="removeAllPlots()"><!-- --></A><H3>
removeAllPlots</H3>
<PRE>
public void <B>removeAllPlots</B>()</PRE>
<DL>
<DD>Clears all plots</DL>
<HR>

<A NAME="addPlot(weka.gui.visualize.PlotData2D)"><!-- --></A><H3>
addPlot</H3>
<PRE>
public void <B>addPlot</B>(<A HREF="../../../weka/gui/visualize/PlotData2D.html">PlotData2D</A>&nbsp;newPlot)
             throws java.lang.Exception</PRE>
<DL>
<DD>Add a plot to the list of plots to display<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newPlot</CODE> - the new plot to add<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if the plot could not be added</DL>
</DD>
</DL>
<HR>

<A NAME="searchPoints(int, int, boolean)"><!-- --></A><H3>
searchPoints</H3>
<PRE>
public void <B>searchPoints</B>(int&nbsp;x,
                         int&nbsp;y,
                         boolean&nbsp;newFrame)</PRE>
<DL>
<DD>Pops up a window displaying attribute information on any instances
 at a point+-plotting_point_size (in panel coordinates)<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x value of the clicked point<DD><CODE>y</CODE> - the y value of the clicked point<DD><CODE>newFrame</CODE> - true if instance info is to be displayed in a
 new frame.</DL>
</DD>
</DL>
<HR>

<A NAME="determineBounds()"><!-- --></A><H3>
determineBounds</H3>
<PRE>
public void <B>determineBounds</B>()</PRE>
<DL>
<DD>Determine the min and max values for axis and colouring attributes</DL>
<HR>

<A NAME="convertToAttribX(double)"><!-- --></A><H3>
convertToAttribX</H3>
<PRE>
public double <B>convertToAttribX</B>(double&nbsp;scx)</PRE>
<DL>
<DD>convert a Panel x coordinate to a raw x value.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scx</CODE> - The Panel x coordinate<DT><B>Returns:</B><DD>A raw x value.</DL>
</DD>
</DL>
<HR>

<A NAME="convertToAttribY(double)"><!-- --></A><H3>
convertToAttribY</H3>
<PRE>
public double <B>convertToAttribY</B>(double&nbsp;scy)</PRE>
<DL>
<DD>convert a Panel y coordinate to a raw y value.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scy</CODE> - The Panel y coordinate<DT><B>Returns:</B><DD>A raw y value.</DL>
</DD>
</DL>
<HR>

<A NAME="convertToPanelX(double)"><!-- --></A><H3>
convertToPanelX</H3>
<PRE>
public double <B>convertToPanelX</B>(double&nbsp;xval)</PRE>
<DL>
<DD>Convert an raw x value to Panel x coordinate.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>xval</CODE> - the raw x value<DT><B>Returns:</B><DD>an x value for plotting in the panel.</DL>
</DD>
</DL>
<HR>

<A NAME="convertToPanelY(double)"><!-- --></A><H3>
convertToPanelY</H3>
<PRE>
public double <B>convertToPanelY</B>(double&nbsp;yval)</PRE>
<DL>
<DD>Convert an raw y value to Panel y coordinate.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>yval</CODE> - the raw y value<DT><B>Returns:</B><DD>an y value for plotting in the panel.</DL>
</DD>
</DL>
<HR>

<A NAME="drawDataPoint(double, double, double, double, int, int, java.awt.Graphics)"><!-- --></A><H3>
drawDataPoint</H3>
<PRE>
protected static void <B>drawDataPoint</B>(double&nbsp;x,
                                    double&nbsp;y,
                                    double&nbsp;xprev,
                                    double&nbsp;yprev,
                                    int&nbsp;size,
                                    int&nbsp;shape,
                                    java.awt.Graphics&nbsp;gx)</PRE>
<DL>
<DD>Draws a data point at a given set of panel coordinates at a given
 size and connects a line to the previous point.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x coord<DD><CODE>y</CODE> - the y coord<DD><CODE>xprev</CODE> - the x coord of the previous point<DD><CODE>yprev</CODE> - the y coord of the previous point<DD><CODE>size</CODE> - the size of the point<DD><CODE>shape</CODE> - the shape of the data point (square is reserved for nominal
 error data points). Shapes: 0=x, 1=plus, 2=diamond, 3=triangle(up),
 4 = triangle (down).<DD><CODE>gx</CODE> - the graphics context</DL>
</DD>
</DL>
<HR>

<A NAME="drawDataPoint(double, double, int, int, java.awt.Graphics)"><!-- --></A><H3>
drawDataPoint</H3>
<PRE>
protected static void <B>drawDataPoint</B>(double&nbsp;x,
                                    double&nbsp;y,
                                    int&nbsp;size,
                                    int&nbsp;shape,
                                    java.awt.Graphics&nbsp;gx)</PRE>
<DL>
<DD>Draws a data point at a given set of panel coordinates at a given
 size.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x coord<DD><CODE>y</CODE> - the y coord<DD><CODE>size</CODE> - the size of the point<DD><CODE>shape</CODE> - the shape of the data point (square is reserved for nominal
 error data points). Shapes: 0=x, 1=plus, 2=diamond, 3=triangle(up),
 4 = triangle (down).<DD><CODE>gx</CODE> - the graphics context</DL>
</DD>
</DL>
<HR>

<A NAME="paintComponent(java.awt.Graphics)"><!-- --></A><H3>
paintComponent</H3>
<PRE>
public void <B>paintComponent</B>(java.awt.Graphics&nbsp;gx)</PRE>
<DL>
<DD>Renders this component<DD><DL>
<DT><B>Overrides:</B><DD><CODE>paintComponent</CODE> in class <CODE>javax.swing.JComponent</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>gx</CODE> - the graphics context</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;args)</PRE>
<DL>
<DD>Main method for testing this class<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - arguments</DL>
</DD>
</DL>
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