slavia wrote> Hi,
>
> I have some values that I need to represente in the same plot.
> For exemple, if I have,
>
> c<-c(200,205,210,215,220,225,230,235)
> a<-c(0.032,0.44,0.86,0.65,0.53,0.213,0.46,0.231)
> b<-c(0.325,0.657,0.784,0.236,0.798,0.287,0,748,0.785)
> d<-c(0.786,0.217,0.538,0.513,0.870,0.326,0.647,0.217)
>
> c is a independente variable (represented in x axis) and a, b, d are
> diferente dependente varible (represented in a y axes). a, b and d should
> be diferent lines, How can I do that?
>
> Thank you
Think there was a typo in the vector b where 0,748 should have been 0.748.
To overlay lines on the same plot you could try the lines function.
# Corrected Data
c<-c(200,205,210,215,220,225,230,235)
a<-c(0.032,0.44,0.86,0.65,0.53,0.213,0.46,0.231)
b<-c(0.325,0.657,0.784,0.236,0.798,0.287,0.748,0.785)
d<-c(0.786,0.217,0.538,0.513,0.870,0.326,0.647,0.217)
# Plot
plot(c,a, type="o", col="red",
ylim=c(min(a,b,d),max(a,b,d)))
lines(c,b, type="o",col="blue")
lines(c,d, type="o",col="green")
HTH
Pete
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