histogramdataset.html

jfreechart1。0。2的api。

         int&nbsp;item)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the X value for a bin.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Number</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getY(int, int)">getY</A></B>(int&nbsp;series,
         int&nbsp;item)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the y-value for a bin (calculated to take into account the 
 histogram type).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#setType(org.jfree.data.statistics.HistogramType)">setType</A></B>(<A HREF="../../../../org/jfree/data/statistics/HistogramType.html" title="class in org.jfree.data.statistics">HistogramType</A>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the histogram type and sends a <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A> to all 
 registered listeners.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.xy.AbstractIntervalXYDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.jfree.data.xy.<A HREF="../../../../org/jfree/data/xy/AbstractIntervalXYDataset.html" title="class in org.jfree.data.xy">AbstractIntervalXYDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/xy/AbstractIntervalXYDataset.html#getEndXValue(int, int)">getEndXValue</A>, <A HREF="../../../../org/jfree/data/xy/AbstractIntervalXYDataset.html#getEndYValue(int, int)">getEndYValue</A>, <A HREF="../../../../org/jfree/data/xy/AbstractIntervalXYDataset.html#getStartXValue(int, int)">getStartXValue</A>, <A HREF="../../../../org/jfree/data/xy/AbstractIntervalXYDataset.html#getStartYValue(int, int)">getStartYValue</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.xy.AbstractXYDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.jfree.data.xy.<A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html" title="class in org.jfree.data.xy">AbstractXYDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html#getDomainOrder()">getDomainOrder</A>, <A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html#getXValue(int, int)">getXValue</A>, <A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html#getYValue(int, int)">getYValue</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.general.AbstractSeriesDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.jfree.data.general.<A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html" title="class in org.jfree.data.general">AbstractSeriesDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html#indexOf(java.lang.Comparable)">indexOf</A>, <A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html#seriesChanged(org.jfree.data.general.SeriesChangeEvent)">seriesChanged</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.general.AbstractDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.jfree.data.general.<A HREF="../../../../org/jfree/data/general/AbstractDataset.html" title="class in org.jfree.data.general">AbstractDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/general/AbstractDataset.html#addChangeListener(org.jfree.data.general.DatasetChangeListener)">addChangeListener</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#fireDatasetChanged()">fireDatasetChanged</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#getGroup()">getGroup</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#hasListener(java.util.EventListener)">hasListener</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#notifyListeners(org.jfree.data.general.DatasetChangeEvent)">notifyListeners</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#removeChangeListener(org.jfree.data.general.DatasetChangeListener)">removeChangeListener</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#setGroup(org.jfree.data.general.DatasetGroup)">setGroup</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#validateObject()">validateObject</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.xy.IntervalXYDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface org.jfree.data.xy.<A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html" title="interface in org.jfree.data.xy">IntervalXYDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getEndXValue(int, int)">getEndXValue</A>, <A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getEndYValue(int, int)">getEndYValue</A>, <A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getStartXValue(int, int)">getStartXValue</A>, <A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getStartYValue(int, int)">getStartYValue</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.xy.XYDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface org.jfree.data.xy.<A HREF="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html#getDomainOrder()">getDomainOrder</A>, <A HREF="../../../../org/jfree/data/xy/XYDataset.html#getXValue(int, int)">getXValue</A>, <A HREF="../../../../org/jfree/data/xy/XYDataset.html#getYValue(int, int)">getYValue</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.general.SeriesDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface org.jfree.data.general.<A HREF="../../../../org/jfree/data/general/SeriesDataset.html" title="interface in org.jfree.data.general">SeriesDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/general/SeriesDataset.html#indexOf(java.lang.Comparable)">indexOf</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.general.Dataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface org.jfree.data.general.<A HREF="../../../../org/jfree/data/general/Dataset.html" title="interface in org.jfree.data.general">Dataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/general/Dataset.html#addChangeListener(org.jfree.data.general.DatasetChangeListener)">addChangeListener</A>, <A HREF="../../../../org/jfree/data/general/Dataset.html#getGroup()">getGroup</A>, <A HREF="../../../../org/jfree/data/general/Dataset.html#removeChangeListener(org.jfree.data.general.DatasetChangeListener)">removeChangeListener</A>, <A HREF="../../../../org/jfree/data/general/Dataset.html#setGroup(org.jfree.data.general.DatasetGroup)">setGroup</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="HistogramDataset()"><!-- --></A><H3>
HistogramDataset</H3>
<PRE>
public <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.96"><B>HistogramDataset</B></A>()</PRE>
<DL>
<DD>Creates a new (empty) dataset with a default type of 
 <A HREF="../../../../org/jfree/data/statistics/HistogramType.html" title="class in org.jfree.data.statistics"><CODE>HistogramType</CODE></A>.FREQUENCY.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="getType()"><!-- --></A><H3>
getType</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/statistics/HistogramType.html" title="class in org.jfree.data.statistics">HistogramType</A> <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.106"><B>getType</B></A>()</PRE>
<DL>
<DD>Returns the histogram type.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The type (never <code>null</code>).</DL>
</DD>
</DL>
<HR>

<A NAME="setType(org.jfree.data.statistics.HistogramType)"><!-- --></A><H3>
setType</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.116"><B>setType</B></A>(<A HREF="../../../../org/jfree/data/statistics/HistogramType.html" title="class in org.jfree.data.statistics">HistogramType</A>&nbsp;type)</PRE>
<DL>
<DD>Sets the histogram type and sends a <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A> to all 
 registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>type</CODE> - the type (<code>null</code> not permitted).</DL>
</DD>
</DL>
<HR>

<A NAME="addSeries(java.lang.Comparable, double[], int)"><!-- --></A><H3>
addSeries</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.131"><B>addSeries</B></A>(java.lang.Comparable&nbsp;key,
                      double[]&nbsp;values,
                      int&nbsp;bins)</PRE>
<DL>
<DD>Adds a series to the dataset, using the specified number of bins.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the series key (<code>null</code> not permitted).<DD><CODE>values</CODE> - the values (<code>null</code> not permitted).<DD><CODE>bins</CODE> - the number of bins (must be at least 1).</DL>
</DD>
</DL>
<HR>

<A NAME="addSeries(java.lang.Comparable, double[], int, double, double)"><!-- --></A><H3>
addSeries</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.150"><B>addSeries</B></A>(java.lang.Comparable&nbsp;key,
                      double[]&nbsp;values,
                      int&nbsp;bins,
                      double&nbsp;minimum,
                      double&nbsp;maximum)</PRE>
<DL>
<DD>Adds a series to the dataset. Any data value less than minimum will be
 assigned to the first bin, and any data value greater than maximum will
 be assigned to the last bin.  Values falling on the boundary of 
 adjacent bins will be assigned to the higher indexed bin.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the series key (<code>null</code> not permitted).<DD><CODE>values</CODE> - the raw observations.<DD><CODE>bins</CODE> - the number of bins (must be at least 1).<DD><CODE>minimum</CODE> - the lower bound of the bin range.<DD><CODE>maximum</CODE> - the upper bound of the bin range.</DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesCount()"><!-- --></A><H3>
getSeriesCount</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.297"><B>getSeriesCount</B></A>()</PRE>
<DL>
<DD>Returns the number of series in the dataset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/SeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/general/SeriesDataset.html" title="interface in org.jfree.data.general">SeriesDataset</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html" title="class in org.jfree.data.general">AbstractSeriesDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The series count.</DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesKey(int)"><!-- --></A><H3>
getSeriesKey</H3>
<PRE>
public java.lang.Comparable <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.312"><B>getSeriesKey</B></A>(int&nbsp;series)</PRE>
<DL>
<DD>Returns the key for a series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/SeriesDataset.html#getSeriesKey(int)">getSeriesKey</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/general/SeriesDataset.html" title="interface in org.jfree.data.general">SeriesDataset</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html#getSeriesKey(int)">getSeriesKey</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html" title="class in org.jfree.data.general">AbstractSeriesDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).
<DT><B>Returns:</B><DD>The series key.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="getItemCount(int)"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.328"><B>getItemCount</B></A>(int&nbsp;series)</PRE>
<DL>