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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_13) on Tue Jun 05 11:36:17 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>Statistics.Delta (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.math.Statistics.Delta class"><META NAME="keywords" CONTENT="getDeltaStatistics()"><META NAME="keywords" CONTENT="reset()"><META NAME="keywords" CONTENT="add()"><META NAME="keywords" CONTENT="clone()"><META NAME="keywords" CONTENT="equals()"><META NAME="keywords" CONTENT="hashCode()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Statistics.Delta (Geotools 2.3.x 2.3.2 API)";}</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" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Statistics.Delta.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </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/geotools/math/Statistics.html" title="class in org.geotools.math"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="Statistics.Delta.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: <A HREF="#nested_classes_inherited_from_class_org.geotools.math.Statistics">NESTED</A> | 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.geotools.math</FONT><BR>Class Statistics.Delta</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>Statistics.Delta</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>Cloneable, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Cloneable.html" title="class or interface in java.lang">Cloneable</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DD></DL><DL><DT><B>Enclosing class:</B><DD><A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A></DD></DL><HR><DL><DT>public static class <B>Statistics.Delta</B><DT>extends <A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A></DL><P>Hold some statistics about a series of sample values and the difference between them. Given a series of sample values <var>s<sub>0</sub></var>, <var>s<sub>1</sub></var>, <var>s<sub>2</sub></var>, <var>s<sub>3</sub></var>..., this class computes statistics in the same way than <A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math"><CODE>Statistics</CODE></A> and additionnaly computes statistics for <var>s<sub>1</sub></var>-<var>s<sub>0</sub></var>, <var>s<sub>2</sub></var>-<var>s<sub>1</sub></var>, <var>s<sub>3</sub></var>-<var>s<sub>2</sub></var>..., which are stored in a <A HREF="../../../org/geotools/math/Statistics.Delta.html#getDeltaStatistics()"><CODE>delta</CODE></A> statistics object.<P><P><DL><DT><B>Author:</B></DT> <DD>Martin Desruisseaux</DD><DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#org.geotools.math.Statistics.Delta">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Nested Class Summary</B></FONT></TD></TR></TABLE> <A NAME="nested_classes_inherited_from_class_org.geotools.math.Statistics"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Nested classes inherited from class <A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../org/geotools/math/Statistics.Delta.html" title="class in org.geotools.math">Statistics.Delta</A></CODE></TD></TR></TABLE> <!-- =========== 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/geotools/math/Statistics.Delta.html#Statistics.Delta()">Statistics.Delta</A></B>()</CODE><BR> Construct an initially empty set of statistics. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/geotools/math/Statistics.Delta.html#Statistics.Delta(org.geotools.math.Statistics)">Statistics.Delta</A></B>(<A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A> delta)</CODE><BR> Construct an initially empty set of statistics using the specified object for <A HREF="../../../org/geotools/math/Statistics.Delta.html#getDeltaStatistics()"><CODE>delta</CODE></A> statistics. </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/geotools/math/Statistics.Delta.html#add(double)">add</A></B>(double sample)</CODE><BR> Update statistics for the specified sample. </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/geotools/math/Statistics.Delta.html#add(long)">add</A></B>(long sample)</CODE><BR> Update statistics for the specified sample. </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/geotools/math/Statistics.Delta.html#add(org.geotools.math.Statistics)">add</A></B>(<A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A> stats)</CODE><BR> Update statistics with all samples from the specified . </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/math/Statistics.Delta.html#clone()">clone</A></B>()</CODE><BR> Returns a clone of this statistics.</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/geotools/math/Statistics.Delta.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> obj)</CODE><BR> Test this statistics with the specified object for equality.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/math/Statistics.Delta.html#getDeltaStatistics()">getDeltaStatistics</A></B>()</CODE><BR> Returns the statistics about difference between consecutives values. </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/geotools/math/Statistics.Delta.html#hashCode()">hashCode</A></B>()</CODE><BR> Returns a hash code value for this statistics.</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/geotools/math/Statistics.Delta.html#reset()">reset</A></B>()</CODE><BR> Reset the statistics to their initial <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Double.html#NaN" title="class or interface in java.lang"><CODE>NaN</CODE></A> values. </TD></TR></TABLE> <A NAME="methods_inherited_from_class_Statistics"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class <A HREF="../../../org/geotools/math/Statistics.html" title="class in org.geotools.math">Statistics</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../org/geotools/math/Statistics.html#count()">count</A>, <A HREF="../../../org/geotools/math/Statistics.html#countNaN()">countNaN</A>, <A HREF="../../../org/geotools/math/Statistics.html#maximum()">maximum</A>, <A HREF="../../../org/geotools/math/Statistics.html#mean()">mean</A>, <A HREF="../../../org/geotools/math/Statistics.html#minimum()">minimum</A>, <A HREF="../../../org/geotools/math/Statistics.html#range()">range</A>, <A HREF="../../../org/geotools/math/Statistics.html#rms()">rms</A>, <A HREF="../../../org/geotools/math/Statistics.html#standardDeviation(boolean)">standardDeviation</A>, <A HREF="../../../org/geotools/math/Statistics.html#toString()">toString</A>, <A HREF="../../../org/geotools/math/Statistics.html#toString(java.util.Locale, boolean)">toString</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD></TR>⌨️ 快捷键说明
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