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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 39273927[/i] [br]Origin Ver. and Service Release (Select Help-->About Origin): OriginPro 2017 b9.4.1.354 (Academic) Operating System: Win 10 Home Hello everyone, I have some data that I want to fit with gaussian curves. One can easily see that my data is not symmetrical relative to Y axis. I want to fit each data set with a Gauss curve, determine each x_c (how far the Gauss peak is from x=0) and then move each curve by -x_c horizontally. In the end I want to have all my 10 curves aligned with Y axis. (see attached pictures) I tried to use the Horizontal translate tool, but it moves all (!) data sets within certain X interval. It doesn't suit me because I want to move each data set by its own -x_c. I could do 10 Gaussian fits, write down each x_c, copy my workbook somewhere like MS Excel and assign to each Y value the corresponding x_new = x_old - x_c, but then I will not be able to neatly plot all 10 curves at the same time because each set of Y values will have its own set of X values. A multi-Y plot can be made, but not multi-XandY. It would be terribly time consuming too. Are there any better solutions? [img]http://www.originlab.com/ftp/forum_and_kbase/Images/002.PNG[/img][img]http://www.originlab.com/ftp/forum_and_kbase/Images/001.png[/img] [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.