Re: [R] solving linear equations

2011-09-22 Thread varunshivashankar
Hi Bolker, Sorry for the late reply and thank you very much. The code works fine. I am indeed sorry for telling you it was a linear equation. I am just trying to use the R code to perform the curve fitting problem for the team of biologists. The data given to me was a sample data and they told me

[R] solving linear equations

2011-09-13 Thread varunshivashankar
I have a dataset X Y1 12001.375 40000.464 1333.33 0.148 444.44 0.047 148.148 0.014 49.383 0.005 16.461 0.004 I have to find a curve fit for the above dataset based on a 4-parameter logistic equation viz. Y1 = d + ((a-d)/(1+(X/cc)^b)), where X and Y1 are the values above. I nee