ggplot2 ------------------------------------------------------------
ggplot2 is a plotting system for R, based on the grammar of graphics,
which tries to take the good parts of base and lattice graphics and
avoid bad parts. It takes care of many of the fiddly details
that make plotting a hassle (like drawing legends) as well as
providing a powerful model of graphics that makes it easy to produce
complex multi-layered graphics.
To install or update, run:
install.packages(c("ggplot2", "plyr"))
Find out more at http://had.co.nz/ggplot2, and check out the nearly 500
examples of ggplot in use. If you're interested, you can also sign up to
the ggplot2 mailing list at http://groups.google.com/group/ggplot2, or track
development at http://github.com/hadley/ggplot2
ggplot2 0.8.9 (2010-12-24) ----------------------------------------
A big thanks to Koshke Takahashi, who supplied the majority of
improvements in this release!
GUIDE IMPROVEMENTS
* key size: can specify width and height separately
* axis: can partially handle text rotation (issue #149)
* legend: now can specify the direction of element by opts(legend.direction
"vertical") or opts(legend.direction = "horizontal"), and
legend box is
center aligned if horizontal
* legend: now can override the alignment of legend box by
opts(legend.box = "vertical") or opts(legend.box =
"horizontal")
* legend: now can override legend title alignment with opts(legend.title.align
= 0) or opts(legend.title.align = 1)
* legend: can override legend text alignment with opts(legend.text.align = 0)
or opts(legend.text.align = 1)
BUG FIXES
* theme_*: can specify font-family for all text elements other than geom_text
* facet_grid: fixed hirozontal spacing when nrow of horizontal strip >= 2
* facet_grid: now can manually specify the relative size of each row and column
* is.zero: now correctly works
* +: adding NULL to a plot returns the plot (idempotent under addition)
(thanks to suggestion by Matthew O'Meara)
* +: meaningful error message if + doesn't know how to deal with an object
type
* coord_cartesian and coord_flip: now can wisely zoom when wise = TRUE
* coord_polar: fix point division bugs
* facet_grid: now labels in facet_grid are correctly aligned when the number
of factors is more then one (fixes #87 and #65)
* geom_hex: now correctly applies alpha to fill colour not outline colour
(thanks to bug report from Ian Fellows)
* geom_polygon: specifying linetype now works (thanks to fix from Kohske
Takahashi)
* hcl: can now set c and l, and preserves names (thanks to suggestion by
Richard Cotton)
* mean_se: a new summary function to work with stat_summary that calculates
mean and one standard error on either side (thanks to contribution from
Kohske Takahashi)
* pos_stack: now works with NAs in x
* scale_alpha: setting limits to a range inside the data now works (thanks to
report by Dr Proteome)
* scale_colour_continuous: works correctly with single continuous value (fixes
#73)
* scale_identity: now show legends (fix #119)
* stat_function: now works without y values
* stat_smooth: draw line if only 2 unique x values, not three as previously *
guides: fixed #126
* stat_smooth: once again works if n > 1000 and SE = F (thanks to bug report
from Theiry Onkelinx and fix from Kohske Takahashi)
* stat_smooth: works with locfit (fix #129)
* theme_text handles alignment better when angle = 90
--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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