📄 histogramdataset.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_03) on Mon Jun 07 16:42:25 BST 2004 --><TITLE>HistogramDataset (JFreeChart Class Library (version 0.9.20))</TITLE><META NAME="keywords" CONTENT="org.jfree.data.statistics.HistogramDataset class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="HistogramDataset (JFreeChart Class Library (version 0.9.20))";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" 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</TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/jfree/data/statistics/HistogramBin.html" title="class in org.jfree.data.statistics"><B>PREV CLASS</B></A> <A HREF="../../../../org/jfree/data/statistics/HistogramType.html" title="class in org.jfree.data.statistics"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="HistogramDataset.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.jfree.data.statistics</FONT><BR>Class HistogramDataset</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/jfree/data/AbstractDataset.html" title="class in org.jfree.data">org.jfree.data.AbstractDataset</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/jfree/data/AbstractSeriesDataset.html" title="class in org.jfree.data">org.jfree.data.AbstractSeriesDataset</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/jfree/data/AbstractXYDataset.html" title="class in org.jfree.data">org.jfree.data.AbstractXYDataset</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/jfree/data/AbstractIntervalXYDataset.html" title="class in org.jfree.data">org.jfree.data.AbstractIntervalXYDataset</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>org.jfree.data.statistics.HistogramDataset</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, <A HREF="../../../../org/jfree/data/Dataset.html" title="interface in org.jfree.data">Dataset</A>, java.util.EventListener, <A HREF="../../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A>, java.io.ObjectInputValidation, java.io.Serializable, <A HREF="../../../../org/jfree/data/SeriesChangeListener.html" title="interface in org.jfree.data">SeriesChangeListener</A>, <A HREF="../../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A>, <A HREF="../../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></DD></DL><HR><DL><DT>public class <B>HistogramDataset</B><DT>extends <A HREF="../../../../org/jfree/data/AbstractIntervalXYDataset.html" title="class in org.jfree.data">AbstractIntervalXYDataset</A><DT>implements <A HREF="../../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A>, java.lang.Cloneable, java.io.Serializable</DL><P>A dataset that can be used for creating histograms. <p> See the <code>HistogramDemo.java</code> file in the JFreeChart distribution for an example.<P><P><DL><DT><B>Author:</B></DT> <DD>Jelai Wang, jelaiw AT mindspring.com</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.jfree.data.statistics.HistogramDataset">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#HistogramDataset()">HistogramDataset</A></B>()</CODE><BR> 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.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#addSeries(java.lang.String, double[], int)">addSeries</A></B>(java.lang.String name, double[] values, int bins)</CODE><BR> Adds a series to the dataset, using the specified number of bins.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#addSeries(java.lang.String, double[], int, double, double)">addSeries</A></B>(java.lang.String name, double[] values, int bins, double minimum, double maximum)</CODE><BR> Adds a series to the dataset.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#clone()">clone</A></B>()</CODE><BR> Returns a clone of the dataset.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object obj)</CODE><BR> Tests this dataset for equality with an arbitrary object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Number</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getEndXValue(int, int)">getEndXValue</A></B>(int series, int item)</CODE><BR> Returns the end value for a bin.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Number</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getEndYValue(int, int)">getEndYValue</A></B>(int series, int item)</CODE><BR> Returns the end y-value for a bin (which is the same as the y-value, this method exists only to support the general form of the <A HREF="../../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data"><CODE>IntervalXYDataset</CODE></A> interface).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getItemCount(int)">getItemCount</A></B>(int series)</CODE><BR> Returns the number of data items for a series.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getSeriesCount()">getSeriesCount</A></B>()</CODE><BR> Returns the number of series in the dataset.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getSeriesName(int)">getSeriesName</A></B>(int series)</CODE><BR> Returns the name for a series.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Number</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getStartXValue(int, int)">getStartXValue</A></B>(int series, int item)</CODE><BR> Returns the start value for a bin.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Number</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/data/statistics/HistogramDataset.html#getStartYValue(int, int)">getStartYValue</A></B>(int series, int item)</CODE><BR>⌨️ 快捷键说明
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