R help - Jun 2002 - superscripts in xyplot labels

R-helpers;

I tried to get a superscripted 3 in the following xyplot example but failed:
>data(whiteside)
>xyplot(Gas ~ Temp | Insul, whiteside, panel   function(x, y, ...) {
    panel.xyplot(x, y, ...)
    panel.lmline(x, y, ...)
  }, xlab = "Average external temperature (deg. C)",
  ylab = paste(paste("Gas consumption  (1000",
expression(ft^3),")"), aspect
= "xy",
  strip = function(...) strip.default(..., style = 1))

It produces a label  "Gas consumption (1000 ft^3)" for y axis insted
of a
superscipted 3 as in plot(). Any workaround to produce superscripts or
subscripts for labels in xyplot()?

TIA,

Richard
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>>>>> "YangR" == Yang, Richard <dyang at
nrcan.gc.ca> writes:
    YangR> R-helpers;
    YangR> I tried to get a superscripted 3 in the following
    YangR> xyplot example but failed:

    >> data(whiteside)

    >> xyplot(Gas ~ Temp | Insul, whiteside, panel     YangR>
function(x, y, ...) {
    YangR> panel.xyplot(x, y, ...)
    YangR> panel.lmline(x, y, ...)
    YangR> }, xlab = "Average external temperature (deg. C)",
    YangR> ylab = paste(paste("Gas consumption  (1000",
expression(ft^3),")"), aspect
    YangR> = "xy",
    YangR> strip = function(...) strip.default(..., style = 1))


    YangR> It produces a label "Gas consumption (1000 ft^3)" for
    YangR> y axis insted of a superscipted 3 as in plot(). Any
    YangR> workaround to produce superscripts or subscripts for
    YangR> labels in xyplot()?


no easy workaround.
-- This is becoming a FAQ (hence CC to its maintainer) --

NO, currently you can't use any mathematical annotation as in
help(plotmath) when using ``grid'' graphics.  
Lattice is relying on grid entirely. 

    YangR> TIA,

    YangR> Richard

Martin Maechler <maechler at stat.math.ethz.ch>
http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum  LEO C16	Leonhardstr. 27
ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
phone: x-41-1-632-3408		fax: ...-1228			<><
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