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Thanks a lot for the clarification, now it works perfectly. Sorry for the confusion!<br>Best wishes,<br>Rebeca.<br><br>&gt; Date: Fri, 14 Jan 2011 13:46:26 -0500<br>&gt; From: jalemkul@vt.edu<br>&gt; To: gmx-users@gromacs.org<br>&gt; Subject: Re: [gmx-users] g_analyze with multiple sets<br>&gt; <br>&gt; <br>&gt; <br>&gt; Rebeca García Fandiño wrote:<br>&gt; &gt; Hello,<br>&gt; &gt; I have several files containing two columns, x and y (x is the same for <br>&gt; &gt; all of them).<br>&gt; &gt; I would like to calculate the average and standar deviation (as the <br>&gt; &gt; error bar) for the y column for all my data sets.<br>&gt; &gt; I have tried using g_analyze:<br>&gt; &gt; <br>&gt; &gt; g_analyze -n 3 -av average.xvg -errbar stddev -f set1.xvg &amp; set2.xvg &amp; <br>&gt; &gt; set3.xvg<br>&gt; &gt; <br>&gt; &gt; I get several errors:<br>&gt; &gt; set2.xvg: Command not found<br>&gt; &gt; set3.xvg: Command not found<br>&gt; &gt; <br>&gt; &gt; And also: "Set 2 is horter (0) than the previous set (1775)<br>&gt; &gt; <br>&gt; &gt; I have seen a similar error in the gromacs list archive, and the problem <br>&gt; &gt; seemed to be the space before the &amp;. I remove this whitespace and also <br>&gt; &gt; the space after the &amp;, but I get the same results.<br>&gt; &gt; <br>&gt; &gt; How could I solve this problem?<br>&gt; &gt; <br>&gt; <br>&gt; g_analyze does not take multiple simultaneous input.  The "&amp;" referred to in the <br>&gt; help text refers to data sets within the same .xvg file that are separated by &amp;.<br>&gt; <br>&gt; -Justin<br>&gt; <br>&gt; &gt; Thanks a lot for your help in advance.<br>&gt; &gt; <br>&gt; &gt; Best wishes,<br>&gt; &gt; <br>&gt; &gt; Rebeca Garcia<br>&gt; &gt; Postdoctoral student<br>&gt; &gt; Santiago de Compostela University<br>&gt; &gt; Spain<br>&gt; &gt; regafan@hotmail.com<br>&gt; &gt; <br>&gt; &gt; <br>&gt; &gt;                     <br>&gt; &gt; <br>&gt; &gt;         <br>&gt; &gt;           <br>&gt; &gt;                                                <br>&gt; &gt; <br>&gt; &gt;         <br>&gt; &gt; <br>&gt; &gt;         <br>&gt; &gt; <br>&gt; &gt;         <br>&gt; &gt;         <br>&gt; &gt;  <br>&gt; &gt;  <br>&gt; &gt; &lt;#&gt;<br>&gt; &gt; <br>&gt; &gt;         <br>&gt; &gt;         <br>&gt; &gt;         <br>&gt; &gt;         <br>&gt; &gt;         <br>&gt; &gt; &lt;#&gt;<br>&gt; &gt; <br>&gt; &gt;                 <br>&gt; &gt;         <br>&gt; &gt;         <br>&gt; &gt;         <br>&gt; &gt; &lt;#&gt;<br>&gt; &gt; <br>&gt; &gt;         <br>&gt; &gt; &lt;#&gt;<br>&gt; &gt; <br>&gt; &gt;         <br>&gt; &gt; <br>&gt; &gt;                 <br>&gt; &gt; <br>&gt; <br>&gt; -- <br>&gt; ========================================<br>&gt; <br>&gt; Justin A. Lemkul<br>&gt; Ph.D. Candidate<br>&gt; ICTAS Doctoral Scholar<br>&gt; MILES-IGERT Trainee<br>&gt; Department of Biochemistry<br>&gt; Virginia Tech<br>&gt; Blacksburg, VA<br>&gt; jalemkul[at]vt.edu | (540) 231-9080<br>&gt; http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin<br>&gt; <br>&gt; ========================================<br>&gt; -- <br>&gt; gmx-users mailing list    gmx-users@gromacs.org<br>&gt; http://lists.gromacs.org/mailman/listinfo/gmx-users<br>&gt; Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting!<br>&gt; Please don't post (un)subscribe requests to the list. Use the <br>&gt; www interface or send it to gmx-users-request@gromacs.org.<br>&gt; Can't post? Read http://www.gromacs.org/Support/Mailing_Lists<br><div style="font-size: 11px; visibility: hidden; position: absolute; z-index: 11000; top: -100px;" id="ArrowLayer1d6eihk"><img style="font-size: 11px; width: 0px; height: 0px; position: absolute; z-index: 11001; top: 0px; left: 0px;" id="arrow_bg_image"></div><div style="font-size: 11px; visibility: hidden; position: absolute; z-index: 11000; top: -100px; background-image: url(&quot;sacore:inv.gif&quot;);" id="InvLayer1d6eihk"></div><div id="BubbleLayer1d6eihk" style="font-size: 11px; text-align: left; visibility: hidden; position: absolute; z-index: 11002; top: -100px;">        <div style="position: absolute; left: 18px; top: 2px; height: 50px;" id="BALLOONLOGODIV1d6eihk"><table style="height: 100%; border: 0pt none;"><tbody><tr><td style="border: 0pt none;" id="BALLOONLOGO1d6eihk"><img alt="" src="sacore:empty.gif"></td></tr></tbody></table></div>

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