On 2011-02-10 18:41, Dennis Murphy wrote:
Hi:
Here's one way:
plot(1~1,ylab=expression("Areas ("~mu*m^2~")"))
The tildes incorporate space between the math and text elements; they're
optional, but useful. Another way that also works is
plot(1~1,ylab=expression(paste("Areas (", mu*m^2, ")", sep = ' ')))
plot(1:5, type="n", axes=FALSE, ann=FALSE)
abline(v=3, col="lightgray")
text(3, 3.5, expression(
paste("Areas (", mu * m^2, ")", sep = " ")))
text(3, 3.0, expression(
paste("Areas (", mu * m^2, ")", sep = "xxxx")))
text(3, 2.5, expression(
paste("Areas (", mu * m^2, ")", "xxxx")))
Peter Ehlers
HTH,
Dennis
On Thu, Feb 10, 2011 at 4:32 PM, Lizblip<home-sick_al...@hotmail.com>wrote:
Duncan Murdoch-2 wrote:
There is no plotmath function. "plotmath" is the name of the help
topic; it describes how various other functions plot text that includes
math.
grDevices is a base package, so if you've got R, you've got it.
Duncan Murdoch
ok thanks.
I originally thought this was the case and first tried:
plot(areas~cell,ylab=expression("Areas (mu*m^2"))
but the text wasn't re-formatted so I thought plotmath must be a separate
function. How is it supposed to work?
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