search for: rutilizace

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,...