On Thursday 02 October 2008 18:06:19 Matt Newville wrote:
Does it? I thought it used data_uncertainty=1 unless the uncertainty was explicitly specified. Does Athena use a value determined from the sigma when merging data, or is something? Should I read the Users Guide more closely?
Chapter 8 of the Ifeffit Reference Manual is a bit ambiguous about what is reported as an error bar by minimize, but it does lead one to believe that the error bars have been rescaled by the suqare root of reduced chi-square -- like the feffit function. B -- Bruce Ravel ------------------------------------ bravel@bnl.gov National Institute of Standards and Technology Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2 Building 535A Upton NY, 11973 My homepage: http://xafs.org/BruceRavel EXAFS software: http://cars9.uchicago.edu/~ravel/software/exafs/