that means that you have a 0 (zero) in your intensity dataset
L. Keller [EMAIL PROTECTED] on 10/10/2006 02:22:05 PM Please respond to rietveld_l@ill.fr To: rietveld_l@ill.fr cc: Subject: XFit issue Hi, I am trying to do a profile fit using XFit. When I try to fit using Fit>Marqardt, I see an error statement which says, "values for all the XRD data points must be greater than or equal to 1" Can someone let me know what is the cause of this error. Thanks a lot. regards Sajeev Moorthiyedath