RE: Combined neutron/x-ray refinements

[Lubomir Smrcok]

On Tue, 25 May 1999, Alan Hewat, ILL Grenoble wrote:

> 
> Mainly because the ESD's are only correctly calculated if the model
> is CAPABLE of fitting the data.  This is not usually true when systematic 
> errors are important compared to statistical errors, since the model is
> usually not capable of describing these systematic errors fully - 
> background, texture etc... 
> 
...and weights.

Lubo