Hi R Users,
I was trying to create a figure with geom_ribbon. There is a function "fill",
but I want to make the shaded area with a gradient (increasing dark color
towards a central line, inserted of having a color). Is there any possibility?
In the given example, I want the colour with "blue" but in a gradient
(dark=central, light= as goes higher or lower)
pl = data.frame(Time = 0:10, menle = rnorm(11))
pl$menlelb = pl$menle -1
pl$menleub = pl$menle +1
ggplot(pl, aes(Time)) +
geom_line(aes(y=menle), colour="blue") +
geom_ribbon(aes(ymin=menlelb, ymax=menleub), fill="blue")
Thanks
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