I was surprised this worked at all, as I usually use the formula interface.
Anyway, you need to explicitly specify the point types via the pch
argument. The default uses trellis.par.get("dot.symbol"), which is
just a single value.
-- Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Sat, May 27, 2017 at 6:03 AM, Lorenzo Isella
<lorenzo.isella at gmail.com> wrote:> Dear All,
> I am making my baby steps with the lattice graphic system.
> I am going through the great book by Sarkar which provides plenty of
> examples.
> However, I notice that some of them appear to give a different result
> on my system.
> For instance, consider the following
>
>
> library(lattice)
> library(latticeExtra)
>
> dotplot(VADeaths, type = "o",
> auto.key = list(lines = TRUE, space = "right"),
> main = "Death Rates in Virginia - 1940",
> xlab = "Rate (per 1000)")
>
>
> This should produce a plot where I have different point shapes
> connected by different line shapes, but I only one point shape
> connected by solid segments.
> Am I misunderstanding something basic?
> Many thanks
>
> Lorenzodeepayan.sarkar at r
>
>
>
> sessionInfo()
> R version 3.4.0 (2017-04-21)
> Platform: x86_64-pc-linux-gnu (64-bit)
> Running under: Debian GNU/Linux 8 (jessie)
>
> Matrix products: default
> BLAS: /usr/lib/libblas/libblas.so.3.0
> LAPACK: /usr/lib/lapack/liblapack.so.3.0
>
> locale:
> [1] LC_CTYPE=en_GB.utf8 LC_NUMERIC=C
> [3] LC_TIME=en_GB.utf8 LC_COLLATE=en_GB.utf8
> [5] LC_MONETARY=en_GB.utf8 LC_MESSAGES=en_GB.utf8
> [7] LC_PAPER=en_GB.utf8 LC_NAME=C
> [9] LC_ADDRESS=C LC_TELEPHONE=C
> [11] LC_MEASUREMENT=en_GB.utf8 LC_IDENTIFICATION=C
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] latticeExtra_0.6-28 RColorBrewer_1.1-2 lattice_0.20-35
>
> loaded via a namespace (and not attached):
> [1] compiler_3.4.0 tools_3.4.0 grid_3.4.0
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.