[gmx-users] Standard errors

[Mark Abraham]

Standard error and standard deviation measure different things. Please
consult a general work on reporting scientific results.

Mark

On Mon, Sep 16, 2013 at 7:40 AM, afsaneh maleki
<maleki.afsaneh at gmail.com> wrote:
> 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
>
> Afsaneh
> --
> gmx-users mailing list    gmx-users at gromacs.org
> http://lists.gromacs.org/mailman/listinfo/gmx-users
> * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting!
> * Please don't post (un)subscribe requests to the list. Use the
> www interface or send it to gmx-users-request at gromacs.org.
> * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists