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<html><head><title>corr</title></head><body bgcolor=white><h1 align=center>Description of the program: <font color=Blue>corr</font></h1><hr>This program computes the autocorrelation of a scalar dataset. Depending on whether the <font color=blue>-n</font> flag is setor not, different normalizations are applied. With <fontcolor=blue>-n</font> <font color=red>not</font> set the definition is:<center><img src="corr_eq1.gif"></img></center>where <b>s</b> is the standard deviation of the data and <b>y</b> itsaverage. Else it is<center><img src="corr_eq2.gif"></img></center><hr><h2 align=center>Usage:</h2><center><font color=Red>corr [Options]</font><p>Everything not being a valid option will be interpreted as a potential datafile name. Given no datafile at all, means read stdin. Also <font color=Red>-</font> means stdin<p>Possible options are:<p><table border=2><tr><th>Option<th>Description<th>Default</tr><tr><th>-l#<td>number of data to use<td>whole file</tr><tr><th>-x#<td>number of lines to be ignored<td>0</tr><tr><th>-c#<td><a href=../general.html#column>column to be read</a><td>1</tr><tr><th>-D#<td>number of correlations<td>100</tr><tr><th>-n<td>don't use normalization to standard deviation<td>not set</tr><tr><th>-o#<td><a href=../general.html#outfile>output file name</a><br><td>without file name: 'datafile'.cor<br>(or stdin.cor if stdin was read)<br>If no -o option is given stdout is used</tr><tr><th>-V#<td><a href=../general.html#verbosity>verbosity level</a><br> 0: only panic messages<br> 1: add input/output messages<td>1</tr><tr><th>-h<td>show these options<td>none</tr></table></center><hr><h2 align=center>Description of the Output:</h2>The first two lines contain: 1. the average and 2. the standarddeviation of the data. The following lines are the autocorrelations(first column: delay, second column: autocorrelation).<hr>View the <a href="../../source_c/corr.c"> C-sources</a>.<hr>See also <a href="../docs_f/autocor.html">autocor</a> <hr><a href=../contents.html>Table of Contents</a> * <a href="../../index.html" target="_top">TISEAN home</a></body></html>⌨️ 快捷键说明
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