On Mon, May 2, 2011 at 9:48 AM, Guenegou, Guillaume [ORDFR] <
GGUENEGO.its.jnj.com> wrote:
> Hi everybody,
>
>
>
> I have in fast 2 problems
>
>
>
> Why "mm_pbsa.html" is not available in http://ambermd.org/Questions/?
>
It hasn't been kept up-to-date, I suppose. It hasn't been around for
awhile.
I would suggest using MMPBSA.py from AmberTools 1.5, as it's more recent, a
bit more user-friendly (catches more errors, etc.), as it's also more
actively supported on the list
>
>
>
>
>
> I am trying to switch mmpbsa calculations on amber 11 and I got this
> message:
>
> "No skew or curtosis when zero variance in moment"
>
This just a property of a distribution. When there's no variance, the skew
or kurtosis is 0 (the variance is the 2nd moment of a distribution, the skew
is the 3rd moment, and kurtosis is the 4th moment). If a distribution has
no variance, then it clearly has no spread, which means the other moments
must be zero.
HTH,
Jason
> I did not find anything in the amberlist which can help me.
>
>
>
> Thanks in advance
>
> G.G.
>
>
>
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>
--
Jason M. Swails
Quantum Theory Project,
University of Florida
Ph.D. Candidate
352-392-4032
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Received on Mon May 02 2011 - 02:00:04 PDT
