This command works: qplot(x=Categorie,y=Total,data=mydata,geom="bar",fill=Part)
for your data. domenico vistocco Stéphane CRUVEILLER wrote: > Hi, > > the same error message is displayed with geom="bar" as parameter. > here is the output of dput: > > > dput(mydata) > structure(list(Categorie = structure(c(1L, 12L, 8L, 2L, 5L, 7L, > 16L, 6L, 15L, 11L, 10L, 13L, 14L, 3L, 4L, 9L, 17L, 1L, 12L, 8L, > 2L, 5L, 7L, 16L, 6L, 15L, 11L, 10L, 13L, 14L, 3L, 4L, 9L, 17L > ), .Label = c("Amino acid biosynthesis", "Biosynthesis of cofactors, > prosthetic groups, and carriers", > "Cell envelope", "Cellular processes", "Central intermediary metabolism", > "DNA metabolism", "Energy metabolism", "Fatty acid and phospholipid > metabolism", > "Mobile and extrachromosomal element functions", "Protein fate", > "Protein synthesis", "Purines, pyrimidines, nucleosides, and > nucleotides", > "Regulatory functions", "Signal transduction", "Transcription", > "Transport and binding proteins", "Unknown function"), class = "factor"), > Part = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, > 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, > 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("common", > "specific"), class = "factor"), Total = c(3.03, 1.65, 1.52, > 2.85, 3.4, 11.81, 10.51, 1.95, 2.08, 2.51, 2.23, 7.63, 1.88, > 2.76, 7.21, 1.08, 20.75, 0.35, 0.17, 0.08, 0.18, 0.42, 2.05, > 1.98, 0.63, 0.17, 0.2, 0.3, 1.58, 0.27, 0.83, 1.38, 3.56, > 11.63), chr1 = c(4.55, 2.37, 1.77, 4.68, 3.19, 12.49, 13.56, > 2.81, 3.13, 4.58, 3.26, 7.3, 2.06, 3.41, 7.9, 0.22, 22.45, > 0.16, 0.06, 0.09, 0.19, 0.09, 0.7, 0.85, 0.22, 0.06, 0.03, > 0.32, 0.66, 0.06, 0.63, 0.38, 1.14, 6.17), chr2 = c(1.68, > 1.06, 1.55, 1.02, 4.57, 13.87, 7.85, 0.98, 1.06, 0.27, 1.2, > 9.88, 2.13, 2.53, 7.71, 0.4, 22.38, 0.71, 0.35, 0.09, 0.22, > 0.98, 3.9, 3.24, 0.22, 0.22, 0.49, 0.31, 2.79, 0.62, 1.33, > 1.95, 0.44, 16), pl = c(0, 0, 0, 0, 0, 0.17, 4.27, 1.03, > 0.34, 0, 0.68, 0.68, 0, 0.17, 1.54, 8.38, 5.3, 0, 0, 0, 0, > 0, 2.22, 3.25, 4.44, 0.51, 0, 0.17, 1.88, 0, 0, 4.62, 28.72, > 24.27)), .Names = c("Categorie", "Part", "Total", "chr1", > "chr2", "pl"), class = "data.frame", row.names = c(NA, -34L)) > > > thx, > > Stéphane. > > hadley wickham wrote: >> On Dec 4, 2007 10:34 AM, Stéphane CRUVEILLER >> <[EMAIL PROTECTED]> wrote: >> >>> Hi, >>> >>> I tried this method but it seems that there is something wrong with my >>> data frame: >>> >>> >>> when I type in: >>> >>> > qplot(x=as.factor(Categorie),y=Total,data=mydata) >>> >>> It displays a graph with 2 points in each category... >>> but if I add the parameter geom="histogram" >>> >>> > qplot(x=as.factor(Categorie),y=Total,data=mydata,geom="histogram") >>> >>> >>> Error in storage.mode(test) <- "logical" : >>> object "y" not found >>> >>> any hint about this... >>> >> >> Could you copy and paste the output of dput(mydata) ? >> >> (And I'd probably write the plot call as: qplot(Categorie, Total, >> data=mydata, geom="bar"), since it is a bar plot, not a histogram) >> >> > ______________________________________________ R-help@r-project.org 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.