[R] error when using vcovHC()

Dear R users, I meet with an unsolved error when using the function vcovHC() in package sandwich(). I have a balanced panel dataset, and I run the following codes: > library(plm) > data<-plm.data(data, c("state","year")) > fn<-plm(y~x1+x2, data=data, method="within", effect="individual") > lib

Re: [R] help: what are the basis functions in {mgcv}: gam?

s > > best, > Simon > > > On Tuesday 24 March 2009 05:01, oliviax wrote: >> Thanks for Andrew Robinson's suggestion. >> >> I am sorry that I have been looking for the book Wood (2006) "Generalized >> Additive Models: Introduction with R" for a lo

Re: [R] help: what are the basis functions in {mgcv}: gam?

e Internet, and we are required to submit the master thesis soon... Could any one help me if you know other references or have knowledge about this?? I will be very very thankful. Sincerely yours, Olivia oliviax wrote: > > I am writing my thesis with the function gam(), with the pac

[R] help: what are the basis functions in {mgcv}: gam?

I am writing my thesis with the function gam(), with the package {mgcv}. My command is: gam(y~s(x1,bs="cr")+s(x2, bs="cr")). I need help to know what are the default basis funcitons for gam. I have not found any detailed reference for this. Can anyone help me with this?? -- View this messa