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<html><head><title>delay</title></head><body bgcolor=white><h1 align=center>Description of the program: <font color=Blue>delay</font></h1><hr>This program produces delay vectors either from a scalar or from amultivariate time series.<hr><h2 align=center>Usage:</h2><center><font color=Red>delay [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>-M#<td>Number of columns to be read<td>1</tr><tr><th>-c#<td><a href=../general.html#column>column to be read</a><td>1,...,# of columns</tr><tr><th>-m#<td>embedding dimension<td>2</tr><tr><th>-F#<td>The format for the embedding vector (see <a href="#exampleF">example</a>)<td>not set</tr><tr><th>-d#<td>delay of the embedding vector<td>1</tr><tr><th>-D#<td>list of individual delays (see <a href="#exampleD">example</a>)<td>not set<tr><th>-o#<td><a href=../general.html#outfile>output file name</a><br><td>without file name: 'datafile'.del<br>(or stdin.del 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><a name="exampleF">Example for the <fontcolor=red>-F</font> flag</a></h2>Suppose a two component time series, with components<b>x<sub>i</sub></b> and <b>y<sub>i</sub></b> is given. From thisseries a 5 dimensional delay vector, which consists of 3 delayed <b>x</b> and 2 delayed <b>y</b>, shall be created. Thiswould give delay vectors of the form (suppose the delay is 1)<br><center><font size = +1><b>(x<sub>i</sub>,x<sub>i-1</sub>,x<sub>i-2</sub>,y<sub>i</sub>,y<sub>i-1</sub>)</b></font></center>This is achieved by setting: <font color=red>-M2 -F 3,2</font>, whichmeans read 2 components (<font color=red>-M 2</font>) and do the 3,2(<font color=red>-F 3,2</font>) embedding as shown above.<p>It is also possible to combine the <font color=red>-M</font> and<font color=red>-m</font> flags. If the value of <fontcolor=red>-m</font> is an integer multiple of the <fontcolor=red>-M</font> value, the program assumes a symmetricembedding. E.g.: <font color=red>-M3 -m9</font> is the same as<font color=red>-M3 -F3,3,3</font>. In case <font color=red>-m</font>is not a integer multiple of <font color=red>-M</font> the programcomplains and asks for <font color=red>-F</font>.</p><font color=red>-F</font> needs a list of comma separated "partial"dimensions. <hr><h2 align=center><a name="exampleD">Example for the <fontcolor=red>-D</font> flag</a></h2>The idea of this flag is to allow the construction of delay vectorswith varying delays. Suppose a delay vector of the form<br><center><font size= +1>(<b>x(i)</b>,<b>x(i-d<sub>1</sub>)</b>,<b>x(i-d<sub>1</sub>-d<sub>2</sub>)</b>)</font></center>This is possible with the setting: <font color=red>-m3 -Dd<sub>1</sub>,d<sub>2</sub></font><br><font color=red>-D</font> needs a list of comma separated delays. <hr><h2 align=center>Description of the Output:</h2>The delay vectors. Nothing else.<hr>View the <a href="../../source_c/delay.c"> C-sources</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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