| T O P I C R E V I E W |
| gdroogmans |
Posted - 05/19/2004 : 04:48:15 AM
I get the follwoing error message, when fitting my data with a user-defined function:
"There is(are) zero or small y value(s) and this is not consistent with the chosen weighting method".
This occurred with statistical weighting, instrumental or using anarbitrary data set. The fitting procedure worked OK if I use no weighting. So probably it is not a problem of the fit function.
Any advise to prevent this error is welcome. |
| 2 L A T E S T R E P L I E S (Newest First) |
| gdroogmans |
Posted - 06/01/2004 : 03:40:09 AM
This was indeed the case.
Thanks for your help
Guy |
| Mike |
Posted - 05/19/2004 : 08:40:48 AM
Hi gdroogmans,
This is most likely a "divide by zero" problem. See this forum post for more information: http://www.originlab.com/forum/topic.asp?TOPIC_ID=2951
Note that weighting methods are outlined in the Origin Help file topic Before you Start: The Chi-Square Minimization.
Mike
OriginLab |
