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3 results for “from:Swantje Löbel”

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user-defined spatial correlation structure in geeglm/geese

Swantje Löbel · Jun 7, 2005 · r-help

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variation explained by the non-spatial and spatial component using variogram models fitted to residuals of a non-spatial model (GeoR)

Swantje Löbel · May 12, 2004 · r-help

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fitting a gompertz model through the origin using nls

Swantje Löbel · Mar 6, 2009 · r-help

Dear all! I tried to fit Gompertz growth models to describe cummulative germination rates using nls. I used the following code: germ.model<-nls(percent.germ~a*exp(-b*exp(-k*day)),data=tab,start=list(a=100,b=10...

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