Hard to say without a reproducible example, perhaps by using dput() to include a subset of the data. You should indicate where wtd.hist() comes from since it is not in base R. Perhaps the weights package? It is not clear what weight=weight is unless you have created a variable called weight. If you are referring to a variable in NHANES it should be NHANES$weight.
------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77840-4352 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of juliannecpayne Sent: Tuesday, July 9, 2013 12:38 PM To: [email protected] Subject: [R] Trouble defining breaks for weighted histogram Hello R users, I am in the process of creating weighted histograms using NHANES data. I developed the following language to output my results: wtd.hist(NHANES$LBXTHG,breaks="Sturges",weight=weight,freq=FALSE,mai n='Mercury Histogram (Weighted)',xlab='Blood Mercury',col=200,na.rm=TRUE) Each time I submit the language, I get an error back stating: Error in wtd.hist(NHANES$LBXTHG, breaks = "Sturges", weight = weight, : some 'x' not counted; maybe 'breaks' do not span range of 'x' I'm a bit unclear on why this might be, given that the documentation on Sturges led me to believe that the breaks would be determined by the range of the data. Can anyone advise? I suppose it may be worth mentioning that I am a new R user. I usually program in SAS. Best, Jules -- View this message in context: http://r.789695.n4.nabble.com/Trouble-defining-breaks-for-weighted-h istogram-tp4671176.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ [email protected] mailing list 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. ______________________________________________ [email protected] mailing list 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.
