Exemplo: Instância flat75 no SAT.
d=read.table("flat75-toopt.dat",h=T)
print(nrow(d))
print(head(d))
fivenum(d$time)
[1] 500 time 1 695 2 2888 3 3950 4 2329 5 1533 6 7210
hist(d$time)
plot(ecdf(d$time),verticals=T,do.points=F,xlab="Tempo (s)",ylab="F(t)",main="Função de distribuição acumulada")
grid()
sort(d$time)