You need to set the aesthetic 'group' to something meaningful, probably ID in this case.
HTH Ulrik On Fri, 10 Mar 2017, 19:30 Rayt Chiruka, <rtchir...@gmail.com> wrote: > i am trying to convert a dataset from wide to long format using package > tidyr- (seems to have been done) > > wen in try and plot the long dataset using ggplot i keep getting errors > > here is the code > > > > > > *library(tidyr) ht.long<-gather(ray.ht > <http://ray.ht>,age,height,X0:X84,factor_key = > TRUE) ht.long$ID<-factor(ht.long$ID) > ggplot(ht.long,aes(age,height,shape=ID))+geom_line() > ggplot(ht.long,aes(age,height))+ > facet_wrap(~ID) + geom_line()* > > the error i keep getting is the folowing. > > > *geom_path: Each group consists of only one observation. Do you need to > adjust the group aesthetic?* > > a part of the dataset is shown below > > ID X0 X4 X8 X12 X36 X48 X84 > 1 50 59 65 67 87 95 115 > 2 54 58 69 71 90 96 115 > 3 52 64 68 70 91 100 120 > 4 50 56 67 68 88 95 115 > 5 54 59 68 72 93 100 120 > > -- > R T CHIRUKA > University of Fort Hare > Statistics Department > Box X 1314 > Alice > 5700 > South Africa > > [[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. > [[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.
