On 14/01/11 10:33, Chris Penkett wrote:
> Hi Justin,
>
> I'm not sure it should be set to zero if it is unknown as zero implies a
> completely accurate shift which is highly unlikely (I think Eldon
> suggested this one to me ages ago). It is better to say unknown in that
> case (i.e., '.' in NmrStar). Perhaps the BMRB or CCPN guys could indicate
> their preference towards a precision if the CCPN project does not have a
> chemical shift SD - such as the digital accuracy of points, etc.
>
> Chris
>
Hi chris,
You are right, the precission is definetly not hundred percent, but the
BMRB guys want to have some numbers there. I don't know what to set
there now. Probably I will set the precission of 1 digital point, but I
am not sure whether this is statistically correct or not.
justin
--
Justin Lecher
Institute of Complex Systems
ICS-6 Structural Biochemistry
Research Centre Juelich
52425 Juelich, Germany
phone: +49 2461 61 2117
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