Hi Alexandra, As Jeff mentioned, cbind is probably causing the conversion to factors. One thing I would suggest is keeping the names:
windSFO<-data.frame(ws=ws,wd=wd,stn=stn,yearSite=yearSite) as it looks like the windRose function expects the names to be there. If the error persists after using the above, try: windSFO$ws<-as.numeric(as.character(windSFO$ws)) windSFO$ww<-as.numeric(as.character(windSFO$ww)) Jim On Tue, Feb 24, 2015 at 4:38 PM, Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote: > I have no magic answer for you, just some suggestions until you can > clarify your problem. > > Your description of loading one column in at a time is a bit odd... It is > much more typical to use one of the read.table variants. > > Don't use cbind to make data frames. If you have any non-numeric columns > then you will make them all into character or factor columns. That is > almost never a good thing. In fact it is probably at the root of your > current woes. > > windSFO <- data.frame(ws,wd,stn,yearSite) > > Learn to use the str function... e.g. > > str(windSFO) > > Not that we cannot tell how your data are stored given the way you gave > supplied it to us. Read about the use of dput (e.g. [1]) and make your > example reproducible (what package exactly are you talking about? package > names don't have spaces in them). > > Note that the Posting Guide directs you to verify that your problem occurs > when you use the latest version (3.1.2 at this time). If you want to keep > old versions around for some reason, at least install the latest version > and verify that your problem happens with it before posting. > > [1] > http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example > --------------------------------------------------------------------------- > 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 February 23, 2015 11:13:20 AM PST, Alexandra Catena <amc5...@gmail.com> > wrote: > >Hello All, > > > >I have a data frame called windSFO of four columns, wind speed, wind > >direction, station number, and date (yyyymmdd). I downloaded the gz > >data from a site online and then unzipped it using readLines. I then > >concatenated these four columns from the unzipped data into a > >dataframe using cbind. > > > >windSFO = data.frame(cbind(ws,wd,stn,yearSite)) > > > >Here are the first four rows as an example: > > > > ws wd stn yearSite > > > >1 36 290 724940-23234 20090101 > > > >2 77 280 724940-23234 20090101 > > > >3 72 290 724940-23234 20090101 > > > >4 46 290 724940-23234 20090101 > > > > > >I'm trying to make a wind rose using the windRose function but I keep > >getting an error that I don't understand. I type in: > > > >windRose(windSFO,ws='ws',wd='wd') > > > >I then get the error: > > > >Error in Summary.factor(c(27L, 35L, 34L, 29L, 28L, 25L, 25L, 24L, 24L, > >: > > max not meaningful for factors > >In addition: Warning messages: > >1: In Ops.factor(mydata[[wd]], 10) : %% not meaningful for factors > >2: In Ops.factor(mydata[[wd]], angle) : / not meaningful for factors > > > >Can anyone tell me what this means/what I'm doing wrong? > > > >Also, I have R version 3.1.1 > > > >Thank you! > >Alexandra > > > >______________________________________________ > >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. > [[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.
