I am using pyramid.plot() from the plotrix package. I have something like this
############################################ xy.pop<-dados$masfr xx.pop<-dados$femfr #agelabels<-dados$femlab xycol<-color.gradient(c(0,0,0.5,1),c(0,0,0.5,1),c(1,1,0.5,1),11) xxcol<-color.gradient(c(1,1,0.5,1),c(0.5,0.5,0.5,1),c(0.5,0.5,0.5,1),11) xylab<-dados$maslab xxlab<-dados$femlab agelabels<-xylab png("piramide9808.png") par(mar=pyramid.plot(xy.pop,xx.pop,labels=agelabels,top.labels=c("Masculino","","Feminino"), main="Primeiras 10 cancros mais frequentes por sexo...",xycol=xycol,xxcol=xxcol,gap=0, labelcex=0)) dev.off() ################################# the dados a dataframe fabircated by someother program and looks like: ###################### ordem femlab femfa femfr maslab masfa masfr 1 Colo do utero 258 26.76348548 Prostata 613 43.81701215 2 Mama 110 11.41078838 Figado 84 6.004288778 3 Esofago 62 6.43153527 Pele 70 5.003573981 4 Figado 60 6.22406639 Sarcoma de Kaposi 65 4.64617584 5 Pele 48 4.979253112 Esofago 63 4.503216583 6 Bexiga 37 3.838174274 Pulmao 46 3.288062902 7 Corpo do utero 34 3.526970954 Bexiga 43 3.073624017 8 "Utero, SOE" 28 2.904564315 Penis 33 2.358827734 9 Sarcoma de Kaposi 28 2.904564315 Laringe 27 1.929949964 10 Vulva e Vagina 24 2.489626556 Colon 24 1.715511079 11 Outras localizacoes 275 28.52697095 Outras localizacoes 331 23.65975697 ##################################### The problem is (1) I do not want plot agelabels on the center and (2) I want plot different labels for each pair of the bars (one label for masculine and the other feminine). The data represent the 10 most frequent cancer in a group of individuals. Can some one help please? Caveman -- OpenSource Software Consultant CENFOSS (www.cenfoss.co.mz) SP Tech (www.sptech.co.mz) email: orvaq...@cenfoss.co.mz cell: +258828810980 ______________________________________________ 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.