[R] Making up a graph and its equation which better fits two groups of data

Dear R-folks: I have a group of data ('x' and 'y' axis), but I'd like to know how to draw a graph which would fits my data in a better way, I also need its equation. Could you give me any R-rutine ideas?. I thank you in advance for your kind support.

[R] What to do if geoRglm results showed that a non-spacial model fits better?

Hi R-floks: Working in geoRglm, it shows me, according to AIC criterion, that the non-spacial model describes the process in a better way. It's the first time that I'm facing up to. These are my results: OP2003Seppos.AICnonsp-OP2003Seppos.AICsp #[1] -4 (OP2003Seppos.lf0.p<-exp(OP2003Seppos.

[R] What if geoRglm results showed that a non-spacial model fits?

Hi R-people: Working in geoRglm, it shows me, according to AIC criterion, that the non-spacial model describes the process in a better way. It's the first time that I'm facing up to. These are my results: OP2003Seppos.AICnonsp-OP2003Seppos.AICsp #[1] -4 (OP2003Seppos.lf0.p<-exp(OP2003Seppos

[R] Please, help me with 'mattern' variogram

Hi, R-folks: I have been tryin many combination of parameter to make Matern variogram to work, but I can't find the available one. I'm near to be crazy. I tiped: Año2003Selg.lf<-likfit(Año2003Selg,cov.model="matern",ini.cov.pars=c(1.5,14),kappa=2.5,fix.kappa=FALSE,nugget=0.08,lambda=0.008,fix.l

[R] Changing coordenates

Hi everybody: Does anyone know how I can change geodesic coordenates into UTM ones? Thanks in advance for your cooperation, Jimmy M. _ Bing brings you maps, menus, and reviews org