Does [1] help? [1] http://stackoverflow.com/questions/10528631/add-exp-power-trend-line-to-a-ggplot --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
On November 6, 2015 2:41:18 AM PST, Catarina Silva <bolseiro.raiz.csi...@portucelsoporcel.com> wrote: >Hi, > >It's possible to use ggplot and geom_smooth to adjust a power curve to >the >data? > >Initially i have done the adjustement with nls and the formula 'a*x^b', >but >resulted the singular matrix error for start solution. Alternatively I >used >the log transformation and i had correct results, but I can't draw a >power >curve on the graphic. > >Someone know how to solve this problem? > > > >Ty, > > > >Catarina Silva > > >Imprima no nosso papel - Cuide do ambiente >-------------------------- >Print on our paper - Care for the environment. >-------------------------- >http://backoffice.portucelsoporcel.net/dynamic-media/files/utilizar_papel_e_promover_o_desenvolvimento_da_floresta.pdf > >______________________________________________ >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. ______________________________________________ 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.
