All Forums  Origin Forum  Origin Forum  Fitting doesn't calculate standard errors

Note: You must be registered in order to post a reply.
To register, click here. Registration is FREE!

Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by Ferdish[/i] [br]Origin Ver. and Service Release (Select Help-->About Origin): 8.5.1 SR2 Operating System: Windows 7 Professional x-64 Hello there! I have a bunch data which I need to fit with an user-defined fitting function I've made in Function Builder. When fitting my data using my defined function, sometimes the program doesn't calculate the standard errors for fitting parameters. There are just two dashes across the whole Errors column on Parameters tab, despite that after several iterations the program announces the fit has converged, with Chi-Sqrr tolerance value of 1E-9. Reduced Chi-Sqr usually varies around the order of 10^-7 and Adjacent R-square about 0.98 or higher in case of my data. What does it mean? Are those standard errors too high (thousands of percent of the original value) or are they totally off the scale or what? [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.