> x = rnorm(100)
> b = seq(min(x) - 1, max(x) + 1, length = 11)
> b
[1] -3.4038769 -2.7451072 -2.0863375 -1.4275678 -0.7687980 -0.1100283
[7] 0.5487414 1.2075111 1.8662808 2.5250506 3.1838203
>
> invisible(hist(x, breaks = b, include.lowest = TRUE, plot = FALSE))
Warning message:
argument 'include.lowest' is not made use of in: hist.default(x,
breaks = b, include.lowest = TRUE, plot = FALSE)
I don't think a warning is appropriate, since ?hist says:
include.lowest: logical; if 'TRUE', an 'x[i]' equal to the 'breaks'
value will be included in the first (or last, for 'right =
FALSE') bar. This will be ignored (with a warning) unless
'breaks' is a vector.
and in this case 'breaks' does qualify as a "vector" by my understanding.
Note that the warning goes away with 'plot=TRUE'. This suggests that
this might have something to do with this vaguely worded entry in the
NEWS for R 2.4.0:
o hist(*, plot = FALSE) now warns about unused arguments.
Neither the help page nor the NEWS file indicates what arguments are
considered 'unused' when 'plot = FALSE', but either possibility ---
(1) include.lowest is actually unused and (2) it is used and the
warning is wrong --- is a bug.
> sessionInfo()
R version 2.4.0 Patched (2006-11-03 r39777)
i486-pc-linux-gnu
locale:
LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C
attached base packages:
[1] "methods" "stats" "graphics" "grDevices" "utils" "datasets"
[7] "base"
-Deepayan
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