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plot_troops
2009 Nov 04
0
Weird errors with R CMD check/ggplot2 in examples: how to debug?
...n. However, they fail under R CMD check, and
I can neither
diagnose or understand the error (shown below).
How can I debug this? i.e., Is there something I can add to the example
to help track down the cause of these errors?
Has anyone experienced anything similar?
\examples{
require(ggplot2)
plot_troops <- ggplot(Minard.troops, aes(long, lat)) +
geom_path(aes(size = survivors, colour = direction, group = group))
plot_both <- plot_troops +
geom_text(aes(label = city), size = 4, data = Minard.cities)
plot_polished <- plot_both +
scale_size(to = c(1, 12),
breaks = c(1, 2, 3) * 10^5,...