Dear R users,
I am quite desperate for help. I haven't used R in a couple of years and I'm
currently finishing a masters project and running out of time to figure out my
problem. I have read and tried the examples on many websites, in your forums
and R Help yet still can't manage to change the x axis. I am using R 2.8.0 on
windows.
I'm sure there must be a way to do this as many people's questions seem more
difficult. My problem is that I need to change the numbers on the x axis from
the default.
This is my scatter plot so far:
> x <- c(0, 50, 100, 250, 500, 750, 1000, 1500, 2000, 2500, 3000)
> y <- c(640, 585, 152, 85, 348, 922, 518, 82, 83, 591, 79)
> plot(y~x, type = "p", xlab = "Distance (m)", ylab = "Concentrations (mg/kg)",
> xlim = c(0,3000), ylim = c(0,1000), col ="black", pch = 19, sub = "Lead",
> font.sub = 2)
> text(0,640, "mine average", pos = 4, col = "red", cex= 0.6)
> abline(h=c(21), lty = 2, col = "green", lwd =1)
> abline(h=c(36), lty = 3, col = "blue", lwd = 1)
> abline(h=c(190), lty = 1, col ="red", lwd = 2)
> legend(1700, 1000, c("Control", "Dutch List - Optimum", "Dutch List -
> Action"), col = c(3,4,2), lty = c(2,3,1), cex = 0.8, lwd = c(1,1,2))
R automatically changes the x axis to 0, 500, 100, 1500, 2000, 2500, 3000. I've
tried a few things you've already said to other people with problems but all I
get is error.
I would really appreciate some help as I've no one else to ask (the uni I've
studied my masters in does not use R).
Yours faithfully,
Lauren.
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