[R] Polygon shade

bgnumis bgnum bgnumis at gmail.com
Tue Oct 6 15:20:10 CEST 2015


Hi All,

I want to shade the area below "f" variable and it doesn´t draw:

plot(z$Dateh[nn:length(z$Dateh)],f,type="l",col="black", xlab="Time",
ylab="Line")
grid()
polygon(c(1, 1:st, st),c(0, f, 0), col = "blue")

st is the length of f.

But if I plot

plot(f,type="l",col="black", xlab="Time", ylab="Correlation")
grid()
polygon(c(1, 1:st, st),c(0, f, 0), col = "blue")

But the axis doesn´t refect the date labels.

¿What should I do in the first code to achive it draws the blue?

¿If not? How can I ommit the axis in the scond code and to add the
z$Dateh[nn:length(z$Dateh)?

Hope someone can help me.

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