[gmx-users] Standard errors

afsaneh maleki maleki.afsaneh at gmail.com
Mon Sep 16 13:40:35 CEST 2013

Dear all

I would like to calculate the standard deviation (as the error bar) for
dV/dlanda.xvg file. I used g_analyze command as the following:

g_analyze   -f    free_bi_0.9.xvg  -av  average_0.9

I got:

set       average              *standard  deviation*       *std. dev.  /
sqrt(n-1)    *…

SS1    6.053822e+01     3.062230e+01              1.936724e-02        …

Is the amount of in third (standard deviation) or fourth column (std. dev.  /
sqrt(n-1) ) better than to use as the standard errors?

I want to draw dG/d lambda via lambda and show error bar for free energy.

Thanks in advance


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