[EMAIL PROTECTED] writes:
> > 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.
As I read the code, the purpose is to warn people if they supply plot
arguments (density, xlim, ylim,....) while plot=FALSE. There's a stop
list coded by
nf <- nf[is.na(match(nf, c("x", "breaks", "freq", "nclass",
"plot", "probability")))]
and I think the problem is just that "include.lowest" should have been
on the list.
--
O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907
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