changedateformat.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_05) on Mon Mar 07 15:28:03 NZDT 2005 --><TITLE>ChangeDateFormat</TITLE><META NAME="keywords" CONTENT="weka.filters.unsupervised.attribute.ChangeDateFormat class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ChangeDateFormat";}</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="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="../../../../../Tutorial.pdf"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/index.html"><FONT CLASS="NavBarFont1"><B>Weka's home</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="../../../../weka/filters/unsupervised/attribute/AddNoise.html" title="class in weka.filters.unsupervised.attribute"><B>PREV CLASS</B></A> <A HREF="../../../../weka/filters/unsupervised/attribute/ClusterMembership.html" title="class in weka.filters.unsupervised.attribute"><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="ChangeDateFormat.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">weka.filters.unsupervised.attribute</FONT><BR>Class ChangeDateFormat</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">weka.filters.Filter</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>weka.filters.unsupervised.attribute.ChangeDateFormat</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A>, java.io.Serializable, <A HREF="../../../../weka/filters/StreamableFilter.html" title="interface in weka.filters">StreamableFilter</A>, <A HREF="../../../../weka/filters/UnsupervisedFilter.html" title="interface in weka.filters">UnsupervisedFilter</A></DD></DL><HR><DL><DT>public class <B>ChangeDateFormat</B><DT>extends <A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">Filter</A><DT>implements <A HREF="../../../../weka/filters/UnsupervisedFilter.html" title="interface in weka.filters">UnsupervisedFilter</A>, <A HREF="../../../../weka/filters/StreamableFilter.html" title="interface in weka.filters">StreamableFilter</A>, <A HREF="../../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></DL><P>Changes the date format used by a date attribute. This is most useful for converting to a format with less precision, for example, from an absolute date to day of year, etc. This changes the format string, and changes the date values to those that would be parsed by the new format.<p> Valid filter-specific options are: <p> -C col <br> The column containing the date attribute to be changed. (default last)<p> -F format <br> The output date format (default corresponds to ISO-8601 format).<p><P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.1 $</DD><DT><B>Author:</B></DT> <DD><a href="mailto:len@reeltwo.com">Len Trigg</a></DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#weka.filters.unsupervised.attribute.ChangeDateFormat">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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#ChangeDateFormat()">ChangeDateFormat</A></B>()</CODE><BR> </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> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#attributeIndexTipText()">attributeIndexTipText</A></B>()</CODE><BR> </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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#dateFormatTipText()">dateFormatTipText</A></B>()</CODE><BR> </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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#getAttributeIndex()">getAttributeIndex</A></B>()</CODE><BR> Gets the index of the attribute converted.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.text.SimpleDateFormat</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#getDateFormat()">getDateFormat</A></B>()</CODE><BR> Get the date format used in output.</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#getOptions()">getOptions</A></B>()</CODE><BR> {@inheritDoc</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#globalInfo()">globalInfo</A></B>()</CODE><BR> Returns a string describing this filter</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#input(weka.core.Instance)">input</A></B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance)</CODE><BR> {@inheritDoc</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#listOptions()">listOptions</A></B>()</CODE><BR> {@inheritDoc</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#main(java.lang.String[])">main</A></B>(java.lang.String[] argv)</CODE><BR> Main method for testing this class.</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#setAttributeIndex(java.lang.String)">setAttributeIndex</A></B>(java.lang.String attIndex)</CODE><BR> Sets the index of the attribute used.</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#setDateFormat(java.text.SimpleDateFormat)">setDateFormat</A></B>(java.text.SimpleDateFormat dateFormat)</CODE><BR> Sets the output date format.</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#setDateFormat(java.lang.String)">setDateFormat</A></B>(java.lang.String dateFormat)</CODE><BR> Sets the output date format.</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#setInputFormat(weka.core.Instances)">setInputFormat</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> instanceInfo)</CODE><BR> {@inheritDoc</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="../../../../weka/filters/unsupervised/attribute/ChangeDateFormat.html#setOptions(java.lang.String[])">setOptions</A></B>(java.lang.String[] options)</CODE><BR> Parses the options for this object.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_weka.filters.Filter"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class weka.filters.<A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">Filter</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../weka/filters/Filter.html#batchFilterFile(weka.filters.Filter, java.lang.String[])">batchFilterFile</A>, <A HREF="../../../../weka/filters/Filter.html#batchFinished()">batchFinished</A>, <A HREF="../../../../weka/filters/Filter.html#filterFile(weka.filters.Filter, java.lang.String[])">filterFile</A>, <A HREF="../../../../weka/filters/Filter.html#getOutputFormat()">getOutputFormat</A>, <A HREF="../../../../weka/filters/Filter.html#inputFormat(weka.core.Instances)">inputFormat</A>, <A HREF="../../../../weka/filters/Filter.html#isOutputFormatDefined()">isOutputFormatDefined</A>, <A HREF="../../../../weka/filters/Filter.html#numPendingOutput()">numPendingOutput</A>, <A HREF="../../../../weka/filters/Filter.html#output()">output</A>, <A HREF="../../../../weka/filters/Filter.html#outputFormat()">outputFormat</A>, <A HREF="../../../../weka/filters/Filter.html#outputPeek()">outputPeek</A>, <A HREF="../../../../weka/filters/Filter.html#useFilter(weka.core.Instances, weka.filters.Filter)">useFilter</A></CODE></TD></TR></TABLE> <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"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="ChangeDateFormat()"><!-- --></A><H3>ChangeDateFormat</H3><PRE>public <B>ChangeDateFormat</B>()</PRE><DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2">⌨️ 快捷键说明
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