Enviado desde mi HTC ----- Mensaje original ----- De: r-sig-geo-request at r-project.org Enviado: Martes, 08 de Marzo de 2011 06:30 Para: r-sig-geo at r-project.org Asunto: R-sig-Geo Digest, Vol 91, Issue 8 Send R-sig-Geo mailing list submissions to r-sig-geo at r-project.org To subscribe or unsubscribe via the World Wide Web, visit https://stat.ethz.ch/mailman/listinfo/r-sig-geo or, via email, send a message with subject or body 'help' to r-sig-geo-request at r-project.org You can reach the person managing the list at r-sig-geo-owner at r-project.org When replying, please edit your Subject line so it is more specific than "Re: Contents of R-sig-Geo digest..." Today's Topics: 1. Re: self-starting non linear model (Tom Gottfried) 2. Simple external drift kriging question (CC Greene) 3. Re: Simple external drift kriging question (Tom Gottfried) 4. sample.Polygons fails for shapes with more than four Polygons (Aman Verma) 5. Re: sample.Polygons fails for shapes with more than four Polygons (Roger Bivand) 6. Re: cleaning up a SpatialGridDataFrame (Robert Hijmans) 7. methods to assess point distributions (ex. random, even, or clumped distributions) (elaine kuo) 8. Re: methods to assess point distributions (ex. random, even, or clumped distributions) (Roman Lu?trik) ---------------------------------------------------------------------- Message: 1 Date: Mon, 07 Mar 2011 14:41:59 +0100 From: Tom Gottfried <tom.gottfried at wzw.tum.de> To: r-sig-geo at r-project.org Subject: Re: [R-sig-Geo] self-starting non linear model Message-ID: <4D74E0A7.1030101 at wzw.tum.de> Content-Type: text/plain; charset=ISO-8859-1 Hi Anna, maybe this more a subject to be discussed on R-help? Tom Am 06.03.2011 20:55, schrieb Anna Gretschel:
Hi List!
I want to apply a selfstarting Michaelis-Menten-Model to my data:
SSmicmen {stats}
I use thist function in the following way:
model<-nls(distance~SSmicmen(watercontent, Vm, K))
When I want to compute it I get the error message:
Fehler in lm.fit(x, y,
offset = offset, singular.ok = singular.ok, ...) :
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