[R] GAMs in R : How to put the new data into the model?

Simon Wood s.wood at bath.ac.uk
Thu Sep 29 10:44:14 CEST 2011

See ?predict.gam

You create a data frame (e.g. `dat2011') containing the 2011 values for 
RH, solar, windspeed and transport, then


there are various options for type -- see ?predict.gam

On 09/28/2011 10:10 AM, pigpigmeow wrote:
> For example:
> GAMs and after stepwise regression:
> cod<-gam(newCO~RH+s(solar,bs="cr")+windspeed+s(transport,bs="cr"),family=gaussian
> (link=log),groupD,methods=REML)
> I used 10 year meterorology data (2000-2010) to form equation of
> concentration of carbon monoxide.
> NOW, I have 2011 meteorology data, I want to use the above GAMs to get the
> predict value of concentration of carbon monoxide.
> How can I put the 2011 data into this gam and get the expected value of
> concentration of Carbon monoxide??
> --
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