Displaying 4 results from an estimated 4 matches for "rutilizace".
2017 Aug 24
0
strange nlme augpred behaviour
...17 at 5:17 AM, PIKAL Petr <petr.pikal at precheza.cz> wrote:
>>> Dear all
>>>
>>> I encountered strange behaviour of augPred with virtually the same
>>> data
>>>
>>> First I made groupedData object.
>>>> mar.g<-groupedData(rutilizace~doba|int, data=mar)
>>>
>>> When I perform nlme on complete dataset I get an error with augPred
>>>> fit<-nlsList(rutilizace~SSasymp(doba, Asym, R0, lrc), data=mar.g)
>>> Warning message:
>>> c("1 error caught in nls(y ~ cbind(1 - exp(-exp(l...
2017 Aug 23
2
strange nlme augpred behaviour
...> On Wed, Aug 23, 2017 at 5:17 AM, PIKAL Petr <petr.pikal at precheza.cz> wrote:
> > Dear all
> >
> > I encountered strange behaviour of augPred with virtually the same
> > data
> >
> > First I made groupedData object.
> >> mar.g<-groupedData(rutilizace~doba|int, data=mar)
> >
> > When I perform nlme on complete dataset I get an error with augPred
> >> fit<-nlsList(rutilizace~SSasymp(doba, Asym, R0, lrc), data=mar.g)
> > Warning message:
> > c("1 error caught in nls(y ~ cbind(1 - exp(-exp(lrc) * x), exp(-e...
2017 Aug 23
2
strange nlme augpred behaviour
Dear all
I encountered strange behaviour of augPred with virtually the same data
First I made groupedData object.
> mar.g<-groupedData(rutilizace~doba|int, data=mar)
When I perform nlme on complete dataset I get an error with augPred
> fit<-nlsList(rutilizace~SSasymp(doba, Asym, R0, lrc), data=mar.g)
Warning message:
c("1 error caught in nls(y ~ cbind(1 - exp(-exp(lrc) * x), exp(-exp(lrc) * x)), data = xy, : singular gradient&qu...
2017 Aug 23
0
strange nlme augpred behaviour
...his "Bloom County" comic strip )
On Wed, Aug 23, 2017 at 5:17 AM, PIKAL Petr <petr.pikal at precheza.cz> wrote:
> Dear all
>
> I encountered strange behaviour of augPred with virtually the same data
>
> First I made groupedData object.
>> mar.g<-groupedData(rutilizace~doba|int, data=mar)
>
> When I perform nlme on complete dataset I get an error with augPred
>> fit<-nlsList(rutilizace~SSasymp(doba, Asym, R0, lrc), data=mar.g)
> Warning message:
> c("1 error caught in nls(y ~ cbind(1 - exp(-exp(lrc) * x), exp(-exp(lrc) * x)), data = xy,...