[R] plot question when type = "b" and pch is a vector

From: toka tokas <tokkass_at_yahoo.com>
Date: Sun 02 Oct 2005 - 20:36:37 EST


Dear R users,

I've been struggling some days with the following problem: I'm interesting in producing the following plot

x <- seq(0.01, 10, length = 20)

plot(c(0, 10), c(-20, 20), type = "n", xlab = "x",

        ylab = expression(2 * alpha * log(x)))

pch. <- rep(NA, length(x))
for(i in 1:4){

    pch.[7] <- as.character(i)
    lines(x, 2 * i * log(x), type = "b", pch = pch., lty = 1)
}

where all the line segments are connected, except from the 7th one where I've put the value of alpha -- in other words I'd like to produce a line plot where the label appears at each line with some white space around it.

thanks in advance,
tokas



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