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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 krspence[/i] [br]When I try to use the Savitsky-Golay routine to smooth 2-D data in Origin, the routine says that I need equally-spaced x data points. Is there a way to: (a) Make the Savitsky-Golay routine work with unevenly-spaced data points or (b) Interpolate between y values for the entire data set to get evenly-spaced x-values? This seems odd in a filter as real data is often unevenly-spaced in x [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.