Dear colleagues, this seems like an easy problem, and I found some suggestions
which I've incorporated in the help list, but I can't quite get it right.
I want to add a series of years to a second x-axis category label. I generate
them with test and test_2 below, format them with some spacing
Dear Simon,
I think the main issue is that mtext() is designed to work with a
single character string, not a character vector. Here is one approach
collapsing using paste with some space:
x1-rnorm(500)
plot(x1)
test-seq(1987, 2002, by=1)
test_2-seq(2003, 2006, by=1)
mtext(paste(c(test, test_2),
You may want to try something like this:
x1-rnorm(500)
plot(x1)
test-seq(1987, 2002, by=1)
test_2-seq(2003, 2006, by=1)
test-format(c(test, test_2), width=5)
xxx-seq(1,500,length=length(test))
axis(1,at=xxx,labels=test,line=1,col=0)
You'll need to specify where you want the labels (in this code
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