Re: [R] Biexponential Fit

2009-04-09 Thread Jonas Weickert
Thank you! Now it's working. Peter Dalgaard schrieb: Jonas Weickert wrote: Hi, I want to do a biexponential Fit, i.e. y ~ A1*exp(k1*x) + A2*exp(k2*x) Is this possible? I tried nls() but it stopped with several (different) errors. I'm using y and x as simple vectors and the formu

[R] Biexponential Fit

2009-04-09 Thread Jonas Weickert
Hi, I want to do a biexponential Fit, i.e. y ~ A1*exp(k1*x) + A2*exp(k2*x) Is this possible? I tried nls() but it stopped with several (different) errors. I'm using y and x as simple vectors and the formula for nls() exactly as mentioned above. Thanks a lot! Jonas