Hello,
I have been trying to make a graph that have error bars and text at
specific position.
I used the following code from the help file of xYplot(Hmisc) as an
example except I add a myPanel function, which is just supposed to add
letters from the alphabet at the position aligned at y = 3.
It constantly gives me error:
"Error using packet 1 argument "subscripts" is missing, with no
default".
The same code can work with xyplot from the lattice package (does not
have error bar though).
Can somebody kindly offer some help?
Thanks,
Wen
dfr <- expand.grid(month=1:12, continent=c('Europe','USA'),
sex=c('female','male'))
set.seed(1)
dfr <- upData(dfr,
y=month/10 + 1*(sex=='female') +
2*(continent=='Europe') +
runif(48,-.15,.15),
lower=y - runif(48,.05,.15),
upper=y + runif(48,.05,.15))
myPanel <- function(x, y, subscripts, ...) {
panel.xYplot(x, y, ...)
ltext(x, 3, letters[subscripts], cex=0.5)
}
xYplot(Cbind(y,lower,upper) ~ month,subset=sex=='male' &
continent=='USA',
data=dfr, panel = myPanel)
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