Hello,
Also gives an error in R 2.15.2 on Windows 7. I'd change "when the
dimnames of the table are not integers " to not numeric as that's what
the code for plot.table tests. And it seems to come from seq.int, since
with table value of 2, seq.int produces a vector of length 2 but the
table length is 1:
> seq.int(tbl.char1)
[1] 1 2
> seq_along(tbl.char1)
[1] 1
So the plot command will have 2 values for the x axis but just one for
the y axis.
seq_along seems to solve the matter.
Hope this helps,
Rui Barradas
Em 26-11-2012 21:39, R. Michael Weylandt escreveu:
On Mon, Nov 26, 2012 at 2:41 PM, Ludo Pagie <l.pa...@nki.nl> wrote:
Hi all,
there appears to be something strange with the plotting of tables of 1
dimension; if I attempt to make a plot of a table of characters with only
1 value I get an error (Error in xy.coords(x, y, xlabel, ylabel, log) :
'x' and 'y' lengths differ). With more than one value I don't get
errors, neither with integers (even if only 1 value):
tbl.char1 <- table(c('a','a'))
tbl.char2 <- table(c('a','a','b'))
tbl.int1 <- table(c(1,1))
# error:
plot(tbl.char1)
# no errors:
plot(tbl.char2)
plot(tbl.int1)
Confirmed in current R-devel. It seems to arise from plot.table's use
of seq.int(x) when the dimnames of the table are not integers. I'm not
sure if this shouldn't be seq_along(x) instead, but I'm not sure I
totally follow the internal logic, so perhaps someone can offer second
opinion?
Michael
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