All Forums  Origin Forum  Origin Forum  How does Origin calculate standard error?

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 xlkong1990[/i] [br]Origin Ver. and Service Release (Select Help-->About Origin): OriginLab 8.6 Operating System:Win7 I find the following information from OriginLab website: http://originlab.com/www/helponline/Origin/en/UserGuide/The_Fit_Results.html From Parameter Standard Errors part, it says Variance-Covariance Matrix C=inv(F'F)*s^2. I want to know how the Origin calculate C when F is singular(hence, F'F is singular) and the inverse of F'F cannot calculate directly. What method Origin has used to deal with this condition? Thanks [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.