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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 mpillana[/i] [br]Origin Ver. and Service Release (Select Help-->About Origin): Operating System: Origin pro 2019 (64 bits ) 9.6.0.172 (academic) windows 7 Hi[:)] (1) - I am performing an "average multiple curves", with the same number of points as the input data. - I got the "Std Dev" and the "Std Err values reported". - At first, I thought "Std Dev" should be the one being plot as error bars in the graph. Now I am doubting if "Std Err" would be better (I think I am aware that StdErr is not the Standard error of the mean, and I guess that this is related to the goodness of the average fitting? ...). Any opinions on this? (2) - Then I am getting a "Boltzman" fit of the average curve, and reporting the values of the parameter I am interested in (x0) + the "Standard Error" for that parameter, which I read defines the goodness of the fit... Should I better report other errors such as the t-value or the prob for the parameter? Or even global "errors" such as the Rsquare or whatever? Thanks a lot!! Marta Marta [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.