search for: wintersecchi

Displaying 1 result from an estimated 1 matches for "wintersecchi".

2008 Aug 14
1
autocorrelation in gams
...ooking at the effects of two explanatory variables on chlorophyll. The data are an annual time-series (so are autocorrelated) and the relationships are non-linear. I want to account for autocorrelation in my model. The model I am trying to use is this: Library(mgcv) gam1 <-gam(Chl~s(wintersecchi)+s(SST),family=gaussian, na.action=na.omit, correlation=corAR1(form =~ Year)) the result I get is this: Family: gaussian Link function: identity Formula: CPRChl ~ s(wintersecchi) + s(SST) Parametric coefficients: Estimate Std. Error t value Pr(>|t|) (Inter...