> On Aug 3, 2016, at 4:42 PM, Nelly Reduan <nell.r...@hotmail.fr> wrote: > > Nelly Reduan has shared OneDrive?files with you. To view them, click the link > or image below. > > > <https://1drv.ms/u/s!Apkg2VlgfYyDgQo8BnoB_Ds4KXgR> > [https://bzmvxw.by3301.livefilestore.com/y3mor2T_TYssPck9iMngzQsuiM_z140uCxN_MOvDhcRAILsrvwtWQ8cMMtzUvEuWjFYFytobNNvH8TJGzIrV7tjUHcKnVG_E76ru3RJEpGNPM3v-gKVJgYLhZPb9gLcQST6h-N6UtMumzrF9xVxCaWwJjLJ7amvLtDs816OaSSttsA?width=200&height=150&cropmode=center]<https://1drv.ms/u/s!Apkg2VlgfYyDgQo8BnoB_Ds4KXgR> >
Cannot get anything useful from that URL. > > <https://1drv.ms/u/s!Apkg2VlgfYyDgQmEe6HOjP3d_4e2> > [https://r1.res.office365.com/owa/prem/images/dc-jpg_20.png]<https://1drv.ms/u/s!Apkg2VlgfYyDgQmEe6HOjP3d_4e2> > > Figure_1.jpeg<https://1drv.ms/u/s!Apkg2VlgfYyDgQmEe6HOjP3d_4e2> > > > > > Hello, > > I�m trying to fit distributions to data. To do this, I used the function > �fitdist� from the fitdistrplus package and I drew a Cullen and Frey graph > (attached Figure 1). From this graph, I am attempting to fit different > distributions: Beta, Gamma and Weibull. The function �fitdist� works with > Gamma distribution from this code: > > Fit.dist <- fitdist(x[x!=0], distr="gamma", method="mle",lower=c(0, > 0),start=list(scale=1,shape=1)) > > However, with Beta and Weibull distributions, I obtain this error message: > > the function mle failed to estimate the parameters, > > with the error code 100 A bit of searching produces this: http://markmail.org/search/?q=list%3Aorg.r-project.r-help+fitdistrplus+error+code+100#query:list%3Aorg.r-project.r-help%20fitdistrplus%20error%20code%20100+page:1+mid:esp2okcorrdichtj+state:results -- David. > > > > Here is my code to fit Beta and Weibull distributions: > > fit.dist <- fitdist(x_scaled, distr="beta", method = "mle") > > fit.dist <- fitdist(x, distr="weibull", method="mle", lower=c(0, 0)) > > For the Beta distribution, I transformed the variable to have values between > 0 and 1 as follows: > > x_scaled <- (x-min(x))/max(x) > > Here are some information about data (summary() and attached Figure 2) > >> summary(x) > > Min. 1st Qu. Median Mean 3rd Qu. Max. > > 0.0 90.4 244.8 437.4 549.4 4904.0 > > How can I fit Gamma and Weibull distributions to my data without having the > error message ? > > Thank you very much for your time. > > Nell > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
