Dear list,
I need to include in a superscript number (-1) in a y-axis label of a
boxplot graphic. I tried the following line:
>boxplot(five$gr13~five$Code, xlab="Species code",
ylab=substitute(paste("DGL growth (cm.yr"^{-1},")")))
It returns the following error message:
Error in "DGL growth (cm.yr"^{ : non-numeric argument to binary operator
I used the same line for the plot function in another graphic and it worked
perfectly well.
Any suggestions?
--
Prof. Eduardo van den Berg
Dpto. de Biologia - Universidade Federal de Lavras
Cx. P. 3037
37200-000, Lavras, MG, Brasil
Tel 35-3829-1917
E-mail eduardo.lav...@gmail.com
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