Its coming. It failed the CRAN checks. Right now, the package essentially only creates pairs plots, with arbitrary variable types:
Scatterplot matrices are limited for viewing multivariate data because they
only allow pairwise plots of real-valued variables. We've re-designed the
scatterplot matrix to handle other variable types, and implemented this in a
new R package called Gally. GGally accepts common X vs. Y
combinations of data types and makes an intelligent guess at the best type
of pairwise plot to use, for example, mosaic plot, side-by-side boxplots, or
scatterplot. The upper triangle, and lower triangle, may contain different
plot types for the same pair of variables. Each sub plot can be retrieved,
altered, and/or completely replaced by a custom-produced display. The
software is built upon Hadley Wickham's ggplot2 package, and builds on
ideas contained in Jay Emersons gpairs plot in the YaleToolkit package.
Future work will expand the offerings of composite types of displays.
It will eventually have more range in composite types of plots, like the scatterplot with boxplot marginals, requested earlier on the list.
You're quick, btw! Barret only tried to post it on CRAN last week.
cheers,
Di