Re: [R] problem with "nls" function

2010-01-26 Thread hammadi jbeli
I have used R formulation style and I found this in some R documentations. On Tue, Jan 26, 2010 at 4:12 AM, Walmes Zeviani wrote: > > I supose you are following the SAS formulation style. R has a different > formulation style, such as: > > da <- expand.grid(A=factor(1:3), x=1:10) > da$y <- as.num

[R] Problem with "nls" function

2010-01-25 Thread hammadi jbeli
Dear R users, I have a response variable in a csv file called "y" and a matrix of predictor variables in a csv file called "mat". I have used the function "nls" I have specified the nonlinear relation between these variable.The code I have witten is called Rprog which begins with the phrase: L.mino

[R] problem with "nls" function

2010-01-25 Thread hammadi jbeli
Dear R users, I have a response variable in a csv file called "y" and a matrix of predictor variables in a csv file called "mat". I have used the function "nls" I have specified the nonlinear relation between these variable.The code I have witten is called Rprog which begins with the phrase: L.mino