On 01/01/2016 1:36 PM, Arkay wrote:
Not sure if this has already been reported but I think that there might
be a bug in mtext that causes the text in a plot to be duplicated under
a narrow set of circumstances.
As David said, this is a feature, not a bug.
You were probably confused by the different treatment of "adj" in text()
and mtext(). The former uses one or two values to determine placement
of all strings. The latter uses one value per string.
Duncan Murdoch
Here is a reproducible example.
df1 <- data.frame(V1=rnorm(100))
hist(df1$V1)
mtext("Test", side=1, line=4, adj=c(1,0)) # causes text to appear
twice
This does not appear to happen if adj=c(0,0) or if the adj argument is
removed altogether:
hist(df1$V1)
mtext("Test", side=1, line=4, adj=c(0,0))
Furthermore, it looks like using the "at" argument causes the spacing
between the duplicated text to disappear:
hist(df1$V1)
mtext("Test", side=1, line=4, at=0, adj=c(1,0))
Some additional information related to my R installation.
sessionInfo()
R version 3.2.3 (2015-12-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 8.1 x64 (build 9600)
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United
States.1252 LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C LC_TIME=English_United
States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] rj_2.0.3-2
loaded via a namespace (and not attached):
[1] tools_3.2.3
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