How can I manually enter an ex-Gauss equation in Graphpad Prism?

07 July 2014 0 4K Report

I would like to test the ex-Gauss model on my data with Prism but it's not included in the package. I know where I can enter user-defined equations, but the ex-Gauss equation is quite complex (I don't understand it completely) and I don't know how to enter it in Prism. Is there maybe a way to build upon the standard Gaussian equation? This is defined in Prism as Y=Amplitude*exp(-0.5*((X-Mean)/SD)^2)

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