Colleagues
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System info:
R version rw1022 on NT
ESS v. 5.1.18 using emacs ver. 20.4
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I have some rather unusual units for acoustic volume backscattering
integrated over several metres depth and 10 transmits (which happens to
= 160 m along transect). I need to express these units in a graph label.
My problem comes in applying a superscripted number to a bracket (see
the )^{-3} below:
ylab=expression(paste('mean SV dB [', m^{2},' (160
m',)^{-3},']'))
This gives an error (due to what is interpreted as an extra bracket).
However, superscript requires a character to superscript to, so I can
either use a dot (which is confusing in the label)
ylab=expression(paste('mean SV dB [', m^{2},' (160
m)',.^{-3},']'))
or use another kind of bracket. Unfortunately the label needs two kinds
of brackets. Also using a brace, }^{-3} doesn't help for obvious
reasons.
Any hints? Help will be appreciated.
Thanks
Sam
Sam McClatchie, Research scientist (fisheries acoustics))))))))))
NIWA (National Institute of Water & Atmospheric Research Ltd)
PO Box 14 901, Kilbirnie, Wellington, New Zealand
s.mcclatchie at niwa.cri.nz
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