hadley/ggplot2 — Issue #422: coord_polar: NA shows up in guide for theta
Author: wch
Created: 2012-02-29 23:13:32+00:00
State: open

Example:

```R
set.seed(123)
dat <- data.frame(x=rep(1:12),
y=c(1:12))

p <- ggplot(dat, aes(x=x, y=y)) + geom_line()

p + coord_polar()
```