Hi Sarah,
expression works well, but you have to use it as function.
plot(1,ylab=expression("Soil moisture content
"~~bgroup("(",m^3*m^{-3},")")))
see
?plotmath
for further examples
hth.
Buckmaster, Sarah schrieb:
Hi All,
I am trying to lable the y-axis on my scatterplot with the following:
"Soil moisture content (m3m-3)"
I am using the following coding for plotting the graph:
plot(soilmoisture~gradientlevel, xlab="Levels of droughting gradient", ylab="Soil moisture content (m3m-3)",
bty="l", font.main="2", pch=16, las=1, cex.lab="1.13")
I have tried to incorporate 'expression' into this coding for the ylab as
follows (with also a few variations):
plot(soilmoisture~gradientlevel, xlab="Levels of droughting gradient", ylab=expression"Soil moisture content
(m^3m^-3)", bty="l", font.main="2", pch=16, las=1, cex.lab="1.13")
...but this isn't working and the second m never seems to come up wth
superscript 3 after it. I'm guessing I have tried to incorporate 'expression'
too simply!
Would someone please advise me as to the coding for this?
Many thanks
Sarah
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