[R] Re-writing the problem of Using special characters

From: Alexandra R. M. de Almeida <alexandrarma_at_yahoo.com.br>
Date: Fri 27 Jan 2006 - 04:27:43 EST


Dear R users  

 I'm having problems in putting special characters (like , , ) in my plots, as much in titles, as in axis names, as in legend...when I save them as a pdf OR JPEG document. They don't appear IN BOTH...  I don't know if it is because I'm using a linux platform (MANDRIVA 2006)...  MY R VERSION IS: R 2.0.0 (2004-10-04)    The script is the following:  

 library(grDevices)
 jpeg(file="Fronteira/FronteiraNova.jpeg", bg="white", quality=100,width = 600, height = 480)  grafico.fe<-function(varFA,retFA,varC,retC,covRF,retRF,varD,retD)  {

 minx<-min(100*sqrt(varFA),100*varC,100*sqrt(covRF[1,1]),100*sqrt(covRF[2,2]),100*sqrt(covRF[3,3]),100*sqrt(covRF[4,4]),100*varD)
 maxx<-max(100*sqrt(varFA),100*varC,100*sqrt(covRF[1,1]),100*sqrt(covRF[2,2]),100*sqrt(covRF[3,3]),100*sqrt(covRF[4,4]),100*varD)
 miny<-min(100*retFA,retC,retRF,retD) maxy<-max(100*retFA,retC,retRF,retD)
 plot(100*sqrt(varFA),100*retFA,type="l",lwd=2,col=2,xlab="Risco %", ylab="Retorno % (anualizado)", xlim=c(minx-0.01,maxx), ylim=c(miny,maxy),main="Fronteira Eficiente")
 points(100*varC,retC,pch=16,cex=0.6, col=3)
 points(100*sqrt(covRF[1,1]),retRF[1],pch=16,cex=0.6,col=4)
 points(100*sqrt(covRF[2,2]),retRF[2],pch=16,cex=0.6,col=5)
 points(100*sqrt(covRF[3,3]),retRF[3],pch=16,cex=0.6,col=6)
 points(100*sqrt(covRF[4,4]),retRF[4],pch=16,cex=0.6,col=7)
 points(100*varD,retD,pch=16,cex=0.6,col=1)
 legend(c(0.91,1.11),c(17.97,18.156),c("Fronteira Eficiente"),lwd=2,cex=0.6, col=2)
 legend(0.93,18.13,c("Consolidado","Brad","AB","It","Uni","Ot"),pch=16, bty="n", cex=0.6, col=c(3,4,5,6,7,1), ncol=1)
 }
 grafico.fe(varFA,retFA,varC,retC,covRF,retRF,varD,retD)  dev.off()  

 Do someome have a problem like this?  

 Thanks  

 Alexandra Almeida  

  Alexandra R. Mendes de Almeida                                                                   


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