Message-ID: <4D74E0A7.1030101@wzw.tum.de>
Date: 2011-03-07T13:41:59Z
From: Tom Gottfried
Subject: self-starting non linear model
In-Reply-To: <4D73E6BB.9050002@web.de>
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, ...) :
> NA/NaN/Inf in externem
> Funktionsaufruf (arg 4)
>
> which would be in English: Error in lm.fit(x, y, offset = offset,
> singular.ok = singular.ok, ...) :
> NA/NaN/Inf in external
> function call(arg 4)
>
> Does this mean the function just does not fit my data or is there
> anything I overlooked - any mistake I made defining the model???
>
> Anna
>
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--
Technische Universit?t M?nchen
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