Given the following data frame ("freq.sp"),
> str(freq.sp)
`data.frame': 42 obs. of 4 variables:
$ behav : Factor w/ 6 levels "approach","bowride",..: 1 1 1 1 1 1 1 2
2 2 ...
$ species: Factor w/ 7 levels "COAST_SPOT","EAST_SPINR",..: 1 2 3 4 5 6
7 1 2 3 ...
$ n : int 193 194 563 357 570 369 74 194 208 633 ...
$ pct : num 0.725 0.340 0.252 0.381 0.072 ...
I create a trellis barchart with the following command,
barchart(pct ~ behav | species, data=freq.sp, as.table=TRUE,
xlab="Behavior",
ylab="Frequency", ylim=c(0,1), main="Frequencies of Behaviors",
scales=list(x=list(rot=45)))
In this graph, I would like to include the sample sizes (the value of
freq.sp$n corresponding to each freq.sp$pct) at the top of each bar. I
don't see a specific command in barchart that will allow me to do this
and am fairly new to lattice graphics. I've done RSiteSearches on
keywords that I could think of, but didn't run across anything I
recognized as useful. Any pointers on how to accomplish this would be
greatly appreciated. Thanks in advance.
Cheers,
eric
--
Eric Archer, Ph.D.
NOAA-SWFSC
8604 La Jolla Shores Dr.
La Jolla, CA 92037
858-546-7121,7003(FAX)
[EMAIL PROTECTED]
"Lighthouses are more helpful than churches."
- Benjamin Franklin
"Cogita tute" - Think for yourself
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