Axes - R Graphics - page 244

Figure 8-25. Left: with thick lines, the ends don't fully overlap; right: full overlap with lin-
eend="square"
See Also
For more information about how the theming system works, see Using Themes .
Using a Logarithmic Axis
Problem
You want to use a logarithmic axis for a graph.
Solution
Use scale_x_log10() and/or scale_y_log10() ( Figure 8-26 ):
library(MASS) # For the data set
# The base plot
p <- ggplot(Animals, aes(x = body, y = brain, label = rownames(Animals))) +
geom_text(size = 3 )
p