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mich_points
2012 Mar 20
1
passing xlim to coord_map in ggplot2
I'm sure this is smack-head moment, but I haven't been able to find an
example of this on Nabble or SO, so thought I'd ask.
This works:
michigan <- map_data('county', 'michigan')
mich_points <- data.frame(x = rnorm(n = 200, median(michigan[,1]), 0.75), y
= rnorm(n = 200, median(michigan[,2]), 0.75))
ggplot() + geom_path(aes(long, lat, group = group), data = michigan) +
geom_point(aes(x, y), data = mich_points) + coord_map('gilbert', xlim =
c(-86, -84))
This generates the f...