Hi , thanks in advance I have the follow code:
normal<-sort(rnorm(1000)) cauchy<-sort(rcauchy(1000))
t3<-sort(rt(1000,3)) t10<-sort(rt(1000, 10))
col<-c("green","blue","orange","purple")
v<-list(normal,cauchy,t3,t10) names(v)<-c("Normal", "Cauchy", "T-stud 3 df",
"T-stud 10 df")
par(mfrow=c(1,2))
plot(density(normal),col=col[[1]],main="Funciones de densidad") for ( i in 2:4)
{ lines(density(v[[i]]),col=col[[i]],lty=i+2) }
legend(x=-4,y=0.3,names(v),col=col,cex=0.6)
The problem is that in the legend doesn't appear colours so I can not identify
which curve is each one, please could you tell me what do I neet to change in
order to solve it??
Thanks a lot, Tere
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