I see `area` in your data.frame, but where's `year_bis`? Cheers, Roman
On Mon, Sep 23, 2013 at 9:36 AM, Dylann Kersusan <kersusan.dyl...@gmail.com>wrote: > Hi everyone, > > I am trying to apply the following lines of coding (they are from the R > Graphics Cookbook, Chapter 3: Bar Graphs): > > ggplot(data, aes(x=year_bis,y=area)) + geom_bar(stat="identity") > > I do have a data.frame as follow: > > id year start_day loc area > 1 1 2010 155 20 3.4388 > 2 1 2010 169 18 11.6576 > 3 1 2010 183 17 15.5893 > 4 1 2010 71 41 22.0356 > 5 1 2010 127 42 27.2602 > 6 1 2010 99 37 52.2779 > > > > str(data)'data.frame': 221 obs. of 5 variables: > $ id : int 1 1 1 1 1 1 1 1 1 1 ... > $ year : int 2010 2010 2010 2010 2010 2010 2008 2010 2009 2010 ... > $ start_day: int 155 169 183 71 127 99 337 1 337 113 ... > $ loc : int 20 18 17 41 42 37 10 36 41 40 ... > $ area : num 3.44 11.66 15.59 22.04 27.26 ... > > > I called both packages "gcookbook" and "ggplot2" (among others). That's a > rather easy line of coding, but for some reasons I do have the following > warning message: > > Error in as.environment(x) : > > incorrect > > objet for 'as.environment' > > > Do you have any clue why? > Thanks a lot. > > Greetings. > -- > Dylann Kersusan > Master Biodiversity and Conservation > Zoology dept. Stockholm University > -- > Grimsö Wildlife Research Center > Ecology dept. SLU > Riddarhyttan-Sweden > > [[alternative HTML version deleted]] > > > _______________________________________________ > R-sig-ecology mailing list > R-sig-ecology@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-ecology > > -- In God we trust, all others bring data. [[alternative HTML version deleted]]
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