Miscellaneous Extensions to 'ggplot2'
Description
Implements extensions to 'ggplot2' respecting the grammar of graphics
paradigm. Provides new stats to locate and tag peaks and valleys in 2D
plots, a stat to add a label by group with the equation of a polynomial
fitted with lm(), or R^2 or adjusted R^2 values for any model fitted with
function lm(). Provides a function for flexibly converting time series to
data frames suitable for plotting with ggplot(). In addition provides two
stats useful for diagnosing what data are passed to compute_group() and
compute_panel() functions.
