plot expressions {was: [R] superscript -,+?}
Martin Maechler
maechler at stat.math.ethz.ch
Thu Jul 8 09:07:51 CEST 1999
Ben> In Version 0.64.1 (May 8, 1999), Solaris 2.5.1,
Ben> expression(theta^{-})
Ben> and
Ben> expression(theta^{+})
Ben> (and the equivalent subscripts) give syntax errors.
Ben> (Superscript or subscripts of numbers, letters, or "+1" or "-1"
Ben> all work.)
Ben> Anyone have a workaround or a patch? Or should I just use
Ben> psfrag as god intended?
The following works:
plot(1,type='n', axes=F)
text(1,1, expression(theta^"-"))
text(1,1.1,expression(theta["+"]))
and is probably the most concise here.
The following would have worked as well :
text(1.1,1, expression(tau^{-{}}))
text(1.1,1.1,expression(tau[ +{}]))
You see that `expression' needs to be an expression, i.e.
the "-" operator needs at least one argument, but that one can be empty.
-----
BTW, Ben, I think it's not desired to post both to R-help and R-devel...
{{R-devel'ers are supposed to also get R-help -- even though this is not
ensured as is the case with R-help and R-announce}}.
Martin Maechler <maechler at stat.math.ethz.ch> http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum SOL G1; Sonneggstr.33
ETH (Federal Inst. Technology) 8092 Zurich SWITZERLAND
phone: x-41-1-632-3408 fax: ...-1086 <><
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