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| Original file line number | Diff line number | Diff line change |
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| Package: ggplot2 | ||
| Type: Package | ||
| Title: An implementation of the Grammar of Graphics | ||
| Version: 0.5.7 | ||
| Date: 2007-08-28 | ||
| Version: 0.6 | ||
| Date: 2008-01-10 | ||
| Author: Hadley Wickham <h.wickham@gmail.com> | ||
| Maintainer: Hadley Wickham <h.wickham@gmail.com> | ||
| Description: An implementation of the grammar of graphics in R. It combines the advantages of both base and lattice graphics: conditioning and shared axes are handled automatically, and you can still build up a plot step by step from multiple data sources. It also implements a sophisticated multidimensional conditioning system and a consistent interface to map data to aesthetic attributes. See the ggplot2 website for more information, documentation and examples. | ||
| Depends: R (>= 2.6), grid, reshape (>= 0.8.0), proto, splines, MASS, | ||
| RColorBrewer, colorspace | ||
| Suggests: quantreg, Hmisc, mapproj, maps, digest | ||
| Suggests: quantreg, Hmisc, mapproj, maps, digest, butler | ||
| License: GPL | ||
| URL: http://had.co.nz/ggplot2/ | ||
| LazyLoad: false | ||
| LazyData: true | ||
| Packaged: Fri Jan 11 18:35:11 2008; hornik | ||
| Packaged: Thu Apr 3 18:28:00 2008; hornik |
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| ggplot 0.5.7 | ||
| ggplot 0.6 | ||
| ---------------------------------------- | ||
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| New geoms, scales and aesthetics | ||
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| * stat_step and geom_step to draw staircase plots (like plot(type="s")) | ||
| * order aesthetic (currently only for lines/paths) allows you to control the drawing order within a group | ||
| * scale_manual makes it easier to let ggplot uses the exact colours/sizes/linetypes that you want | ||
| * scale_reverse allows you to reverse the scale of x and y axes | ||
| * scale_grey is a new black and white scale for categorical data (colour and fill) | ||
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| Improved options handling | ||
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| * new function opts() to allow modification of plot options by addition | ||
| * update(p, theme_bw) and p + theme_bw now work | ||
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| These changes mean that you can modify plot options in the same way that you modify all other aspects of the plot, e.g. qplot(mpg, wt, data=mptcars) + opts(title = "Fuel economy vs weight") | ||
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| Improved documentation | ||
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| * many tweaks to the online documentation, particular including the actual code you need to run for each object! | ||
| * every page now has a link to a form where you can submit feedback on exactly you do or don't like about a page | ||
| * required aesthetics now listed in documentation | ||
| * geom_polygon now has a decent example | ||
| * numerous minor corrections suggested by Jörg Beyer | ||
| * separated plotting advice from details of plot construction (what vs how), thanks to Bert Gunter for this suggestion | ||
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| Improved map projections (with coord_map) | ||
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| * coord_map defaults to orientation = c(90, 0, mean(range(y))) - this ensures that multiple layers line up correctly, but means you will have to specify the orientation yourself for many projections | ||
| * coord_map now respects limits set by scales | ||
| * removed useless ticks from coord_map | ||
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| If you're using ggplot to draw maps and have thought of other features that would make your life easier, please let me know. | ||
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| Bug fixes | ||
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| * adding data and aesthetics in separate steps should now work | ||
| * layers with set parameters will not use mapped aesthetics | ||
| * use LazyLoad: false instead of SaveData: true for better future compatability | ||
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| * coord_cartesian: fixed bug that prevented you from overriding the default axis expansion | ||
| * coord_equal: now scales correctly if ratio < 1 | ||
| * geom_abline: fix bug where slope was ignored | ||
| * geom_jitter now works correctly with groups and categorical values (was actually a bug in how scale_discrete deals with continuous values) | ||
| * geom_path: automatically switch between polylineGrob and segmentsGrob when drawing paths so that setting line type now works properly | ||
| * geom_segment now uses both ends of segments to calculate axis limits | ||
| * plotmatrix: fix bug in scatterplot matrix where all scatterplots were transposed! | ||
| * qplot: should now work better within functions | ||
| * quickplot added as an alias of qplot, to avoid confusion with qunif, etc | ||
| * scale_*: better error message if you add a scale without a matching aesthetic mapping in the plot | ||
| * scale_identity no longer converts everything to character | ||
| * scale_identity: grob argument renamed to guide | ||
| * stat_*: made all statistics more robust to errors | ||
| * stat_quantile: fixed bug when only drawing a single quantile | ||
| * stat_smooth: returns silently if <2 non-missing data points | ||
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| Minor aesthetic improvements | ||
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| * coord_polar now specifies aspect.ratio by default, and I've made a few other tweaks to make polar coordinates plot look nicer | ||
| * geom_bar no longer draws gray borders by default, but instead uses the same colour as fill (this eliminates a tiny gap between neighbouring bars) | ||
| * plotmatrix: tweaks to improve display of scatterplot matrix | ||
| * scale_brewer: added option to reverse palette | ||
| * scale_colour: colour and fill legends now look exactly the same (previously colour was missing a grey border) | ||
| * scale_discrete has slightly larger expansion (0.75 vs 0.5) | ||
| * stat_bar: only output bars with > 0 count | ||
| The two big changes in this release are improved documentation and legends. | ||
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| * all major ggplot2 components now have their own built in documentation, so that (e.g.) ?stat_smooth or ?geom_point now give you useful information | ||
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| * the legend code is now considerably more sophisticated and will attempt to merge together legends for the same variable | ||
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| * also, legends are drawn based on the geoms used (instead of the scales used, as previously) so should match the plot much better (e.g. for geom_smooth, geom_boxplot, geom_vline, geom_abline, geom_pointrange). | ||
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| These features are new, so there are likely to be a few bugs that I haven't discovered. Please me know if you discover any. | ||
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| Other additions and corrections | ||
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| * coord_equal: should now work correctly in all situations | ||
| * coord_polar: add start and direction parameters, giving more control over the layout of the polar coords | ||
| * coord_polar: added my favourite pie chart example | ||
| * coord_trans now deals with groups appropriately, at the cost of decreased speed | ||
| * geom_abline, geom_vline, geom_hline: should now behave better in a wider variety of settings | ||
| * geom_boxplot: deals with continuous x-axis and grouping much better | ||
| * geom_boxplot: now has it's own legend which actually looks like a boxplot | ||
| * geom_boxplot: reports if missing values removed | ||
| * geom_crossbar: the middle line is now display thicker than the other lines, controlled by the parameter fatten (thanks to Heike Hofmann for the suggestion) | ||
| * geom_density: fix scale adjustment bug in geom_density | ||
| * geom_line, geom_text: all size measurements (now lines and text as well) are measured in mm, lines/paths default to paths 0.5mm wide | ||
| * geom_rug: new to add marginal rug plots | ||
| * geom_smooth: added example showing how to use geom_smooth with your own models | ||
| * geom_smooth: fixed bug where if se=FALSE x axis always includes 0 | ||
| * geom_vline, geom_hline: yet another rewrite which should make them more powerful and less error prone. | ||
| * ggsave reports width and height of saved image | ||
| * position_stack: fixed bug when data was empty | ||
| * qplot: allow qplot to use computed aesthetics too | ||
| * scale_continuous: tweaks to minor breaks to make appearance better on wider range of coordinate systems | ||
| * scale_discrete: all discrete scales now have labels argument which you can use to override the factor levels | ||
| * scale_discrete: now works correctly with character vectors | ||
| * scale_size: changed default range to [0.5, 3] to better reflect new sizing decisions | ||
| * scale_size: legends resize to avoid overlaps | ||
| * scale_x_continuous, scale_y_continuous: new convenience functions xlim and ylim (and zlim) that make it even easier to adjust the limits of the x, y, and z axes | ||
| * stat_bin, geom_area: fixed bug in combination of stat_bin and geom_area that made it difficult to draw frequency polygons | ||
| * stat_bin: fixed bug which resulted in increased counts when the x axis was a categorical variable with a single level (thanks to Bob Muenchen for pointing this out!) | ||
| * stat_bin: no longer incorrectly warns that binwidth is unspecified when breaks are set | ||
| * stat_bin: now takes origin argument to manually specify origin of first bin (default is round_any(min(range), bin_width, floor)) | ||
| * stat_boxplot, stat_contour, stat_density2d, stat_qq, stat_density: na.rm parameter added to the following statistics (thanks to Leena Choi for suggesting this) | ||
| * stat_function: new, makes it easy to superimpose a function on the plot | ||
| * stat_qq: axes flipped to agree with base R | ||
| * stat_qq: now uses sample aesthetic to select variable for summary | ||
| * stat_quantile: updated to work with latest version of quantreg | ||
| * stat_spoke: new, to make it possible to use geom_segment parameterised by angle and radius (thanks to Jiho for the suggestion) | ||
| * stat_summary: better documentation | ||
| * stat_summary: convenient auto wrapping of simple summary functions | ||
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| Miscellaneous changes: | ||
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| * it's now easy to change the default scales (and their arguments) with the set_default_scale function, see ?set_default_scale for more details (thanks to Bob Muenchen for the suggestion) | ||
| * new order aesthetic which controls the order in which elements are plotted | ||
| * min and max are now scaled the same way as y | ||
| * functions are silently dropped (e.g. aes(colour=col)) | ||
| * scales do not try and map variables that don't exist (fixes some rather obscure bugs) | ||
| * aes(mpg, wt) is now equivalent to aes(x = mpg, y = wt) | ||
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| See CHANGELOG for changes in previous versions |
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