An implementation of the Grammar of Graphics

Documentation for package ‘ggplot2’ version 1.0.0

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A B C D E F G H I L M O P Q R S T U X Y misc

ggplot2.

-- A --

add_theme	Modify properties of an element in a theme object
aes	Generate aesthetic mappings that describe how variables in the data are mapped to visual properties (aesthetics) of geoms.
aes_all	Given a character vector, create a set of identity mappings
aes_auto	Automatic aesthetic mapping
aes_colour_fill_alpha	Colour related aesthetics: colour, fill and alpha
aes_group_order	Aesthetics: group, order
aes_linetype_size_shape	Differentiation related aesthetics: linetype, size, shape
aes_position	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend
aes_q	Generate aesthetic mappings from a string/quoted objects
aes_string	Generate aesthetic mappings from a string/quoted objects
alpha	Colour related aesthetics: colour, fill and alpha
annotate	Create an annotation layer.
annotation_custom	Annotation: Custom grob.
annotation_logticks	Annotation: log tick marks
annotation_map	Annotation: maps.
annotation_raster	Annotation: High-performance rectangular tiling.
autoplot	Create a complete ggplot appropriate to a particular data type

-- B --

borders

Create a layer of map borders.

-- C --

calc_element	Calculate the element properties, by inheriting properties from its parents
color	Colour related aesthetics: colour, fill and alpha
colour	Colour related aesthetics: colour, fill and alpha
coord_cartesian	Cartesian coordinates.
coord_equal	Cartesian coordinates with fixed relationship between x and y scales.
coord_fixed	Cartesian coordinates with fixed relationship between x and y scales.
coord_flip	Flipped cartesian coordinates.
coord_map	Map projections.
coord_polar	Polar coordinates.
coord_quickmap	Cartesian coordinates with an aspect ratio approximating Mercator projection.
coord_trans	Transformed cartesian coordinate system.
cut_interval	Cut numeric vector into intervals of equal length.
cut_number	Cut numeric vector into intervals containing equal number of points.

-- D --

diamonds

Prices of 50,000 round cut diamonds

-- E --

economics	US economic time series.
element_blank	Theme element: blank. This theme element draws nothing, and assigns no space
element_line	Theme element: line.
element_rect	Theme element: rectangle.
element_text	Theme element: text.
expand_limits	Expand the plot limits with data.

-- F --

facet_grid	Lay out panels in a grid.
facet_null	Facet specification: a single panel.
facet_wrap	Wrap a 1d ribbon of panels into 2d.
fill	Colour related aesthetics: colour, fill and alpha
fortify	Fortify a model with data.
fortify-multcomp	Fortify methods for objects produced by 'multcomp'
fortify.cld	Fortify methods for objects produced by 'multcomp'
fortify.confint.glht	Fortify methods for objects produced by 'multcomp'
fortify.glht	Fortify methods for objects produced by 'multcomp'
fortify.Line	Fortify method for classes from the sp package.
fortify.Lines	Fortify method for classes from the sp package.
fortify.lm	Supplement the data fitted to a linear model with model fit statistics.
fortify.map	Fortify method for map objects.
fortify.Polygon	Fortify method for classes from the sp package.
fortify.Polygons	Fortify method for classes from the sp package.
fortify.sp	Fortify method for classes from the sp package.
fortify.SpatialLinesDataFrame	Fortify method for classes from the sp package.
fortify.SpatialPolygons	Fortify method for classes from the sp package.
fortify.SpatialPolygonsDataFrame	Fortify method for classes from the sp package.
fortify.summary.glht	Fortify methods for objects produced by 'multcomp'

-- G --

geom_abline	Line specified by slope and intercept.
geom_area	Area plot.
geom_bar	Bars, rectangles with bases on x-axis
geom_bin2d	Add heatmap of 2d bin counts.
geom_blank	Blank, draws nothing.
geom_boxplot	Box and whiskers plot.
geom_contour	Display contours of a 3d surface in 2d.
geom_crossbar	Hollow bar with middle indicated by horizontal line.
geom_density	Display a smooth density estimate.
geom_density2d	Contours from a 2d density estimate.
geom_dotplot	Dot plot
geom_errorbar	Error bars.
geom_errorbarh	Horizontal error bars
geom_freqpoly	Frequency polygon.
geom_hex	Hexagon bining.
geom_histogram	Histogram
geom_hline	Horizontal line.
geom_jitter	Points, jittered to reduce overplotting.
geom_line	Connect observations, ordered by x value.
geom_linerange	An interval represented by a vertical line.
geom_map	Polygons from a reference map.
geom_path	Connect observations in original order
geom_point	Points, as for a scatterplot
geom_pointrange	An interval represented by a vertical line, with a point in the middle.
geom_polygon	Polygon, a filled path.
geom_quantile	Add quantile lines from a quantile regression.
geom_raster	High-performance rectangular tiling.
geom_rect	2d rectangles.
geom_ribbon	Ribbons, y range with continuous x values.
geom_rug	Marginal rug plots.
geom_segment	Single line segments.
geom_smooth	Add a smoothed conditional mean.
geom_step	Connect observations by stairs.
geom_text	Textual annotations.
geom_tile	Tile plane with rectangles.
geom_violin	Violin plot.
geom_vline	Line, vertical.
ggplot.data.frame	Create a new ggplot plot from a data frame
ggplot2	ggplot2.
ggsave	Save a ggplot with sensible defaults
ggtheme	ggplot2 themes
ggtitle	Change axis labels and legend titles
group	Aesthetics: group, order
guides	Set guides for each scale.
guide_colorbar	Continuous colour bar guide.
guide_colourbar	Continuous colour bar guide.
guide_legend	Legend guide.

-- H --

hmisc

Wrap up a selection of summary functions from Hmisc to make it easy to use with 'stat_summary'.

-- I --

is.ggplot	Reports whether x is a ggplot object
is.rel	Reports whether x is a rel object
is.theme	Reports whether x is a theme object

-- L --

labeller	Generic labeller function for facets
label_both	Label facets with value and variable.
label_bquote	Label facet with 'bquoted' expressions
label_parsed	Label facets with parsed label.
label_value	Label facets with their value. This is the default labelling scheme.
label_wrap_gen	Label facets with a word wrapped label.
labs	Change axis labels and legend titles
last_plot	Retrieve the last plot to be modified or created.
linetype	Differentiation related aesthetics: linetype, size, shape

-- M --

map_data	Create a data frame of map data.
mean_cl_boot	Wrap up a selection of summary functions from Hmisc to make it easy to use with 'stat_summary'.
mean_cl_normal	Wrap up a selection of summary functions from Hmisc to make it easy to use with 'stat_summary'.
mean_sdl	Wrap up a selection of summary functions from Hmisc to make it easy to use with 'stat_summary'.
mean_se	Calculate mean and standard errors on either side.
median_hilow	Wrap up a selection of summary functions from Hmisc to make it easy to use with 'stat_summary'.
midwest	Midwest demographics.
movies	Movie information and user ratings from IMDB.com.
mpg	Fuel economy data from 1999 and 2008 for 38 popular models of car
msleep	An updated and expanded version of the mammals sleep dataset.

-- O --

opts	Build a theme (or partial theme) from theme elements
order	Aesthetics: group, order

-- P --

plot.ggplot	Draw plot on current graphics device.
position_dodge	Adjust position by dodging overlaps to the side.
position_fill	Stack overlapping objects on top of one another, and standardise to have equal height.
position_identity	Don't adjust position
position_jitter	Jitter points to avoid overplotting.
position_jitterdodge	Adjust position by simultaneously dodging and jittering
position_stack	Stack overlapping objects on top of one another.
presidential	Terms of 10 presidents from Eisenhower to Bush W.
print.ggplot	Draw plot on current graphics device.

-- Q --

qplot	Quick plot
quickplot	Quick plot

-- R --

rel	Relative sizing for theme elements
resolution	Compute the "resolution" of a data vector.

-- S --

scale_alpha	Alpha scales.
scale_alpha_continuous	Alpha scales.
scale_alpha_discrete	Alpha scales.
scale_alpha_identity	Use values without scaling.
scale_alpha_manual	Create your own discrete scale.
scale_area	Scale area instead of radius (for size).
scale_color_brewer	Sequential, diverging and qualitative colour scales from colorbrewer.org
scale_color_continuous	Smooth gradient between two colours
scale_color_discrete	Qualitative colour scale with evenly spaced hues.
scale_color_distiller	Sequential, diverging and qualitative colour scales from colorbrewer.org
scale_color_gradient	Smooth gradient between two colours
scale_color_gradient2	Diverging colour gradient
scale_color_gradientn	Smooth colour gradient between n colours
scale_color_grey	Sequential grey colour scale.
scale_color_hue	Qualitative colour scale with evenly spaced hues.
scale_color_identity	Use values without scaling.
scale_color_manual	Create your own discrete scale.
scale_colour_brewer	Sequential, diverging and qualitative colour scales from colorbrewer.org
scale_colour_continuous	Smooth gradient between two colours
scale_colour_discrete	Qualitative colour scale with evenly spaced hues.
scale_colour_distiller	Sequential, diverging and qualitative colour scales from colorbrewer.org
scale_colour_gradient	Smooth gradient between two colours
scale_colour_gradient2	Diverging colour gradient
scale_colour_gradientn	Smooth colour gradient between n colours
scale_colour_grey	Sequential grey colour scale.
scale_colour_hue	Qualitative colour scale with evenly spaced hues.
scale_colour_identity	Use values without scaling.
scale_colour_manual	Create your own discrete scale.
scale_fill_brewer	Sequential, diverging and qualitative colour scales from colorbrewer.org
scale_fill_continuous	Smooth gradient between two colours
scale_fill_discrete	Qualitative colour scale with evenly spaced hues.
scale_fill_distiller	Sequential, diverging and qualitative colour scales from colorbrewer.org
scale_fill_gradient	Smooth gradient between two colours
scale_fill_gradient2	Diverging colour gradient
scale_fill_gradientn	Smooth colour gradient between n colours
scale_fill_grey	Sequential grey colour scale.
scale_fill_hue	Qualitative colour scale with evenly spaced hues.
scale_fill_identity	Use values without scaling.
scale_fill_manual	Create your own discrete scale.
scale_identity	Use values without scaling.
scale_linetype	Scale for line patterns.
scale_linetype_continuous	Scale for line patterns.
scale_linetype_discrete	Scale for line patterns.
scale_linetype_identity	Use values without scaling.
scale_linetype_manual	Create your own discrete scale.
scale_manual	Create your own discrete scale.
scale_shape	Scale for shapes, aka glyphs.
scale_shape_continuous	Scale for shapes, aka glyphs.
scale_shape_discrete	Scale for shapes, aka glyphs.
scale_shape_identity	Use values without scaling.
scale_shape_manual	Create your own discrete scale.
scale_size	Size scale.
scale_size_area	Scale area instead of radius, for size.
scale_size_continuous	Size scale.
scale_size_discrete	Size scale.
scale_size_identity	Use values without scaling.
scale_size_manual	Create your own discrete scale.
scale_x_continuous	Continuous position scales (x & y).
scale_x_date	Position scale, date
scale_x_datetime	Position scale, date
scale_x_discrete	Discrete position.
scale_x_log10	Continuous position scales (x & y).
scale_x_reverse	Continuous position scales (x & y).
scale_x_sqrt	Continuous position scales (x & y).
scale_y_continuous	Continuous position scales (x & y).
scale_y_date	Position scale, date
scale_y_datetime	Position scale, date
scale_y_discrete	Discrete position.
scale_y_log10	Continuous position scales (x & y).
scale_y_reverse	Continuous position scales (x & y).
scale_y_sqrt	Continuous position scales (x & y).
seals	Vector field of seal movements.
shape	Differentiation related aesthetics: linetype, size, shape
size	Differentiation related aesthetics: linetype, size, shape
stat_bin	Bin data.
stat_bin2d	Count number of observation in rectangular bins.
stat_bindot	Bin data for dot plot.
stat_binhex	Bin 2d plane into hexagons.
stat_boxplot	Calculate components of box and whisker plot.
stat_contour	Calculate contours of 3d data.
stat_density	1d kernel density estimate.
stat_density2d	2d density estimation.
stat_ecdf	Empirical Cumulative Density Function
stat_ellipse	Plot data ellipses.
stat_function	Superimpose a function.
stat_identity	Identity statistic.
stat_qq	Calculation for quantile-quantile plot.
stat_quantile	Continuous quantiles.
stat_smooth	Add a smoother.
stat_spoke	Convert angle and radius to xend and yend.
stat_sum	Sum unique values. Useful for overplotting on scatterplots.
stat_summary	Summarise y values at every unique x.
stat_summary2d	Apply funciton for 2D rectangular bins.
stat_summary_hex	Apply funciton for 2D hexagonal bins.
stat_unique	Remove duplicates.
stat_ydensity	1d kernel density estimate along y axis, for violin plot.

-- T --

theme	Set theme elements
theme_blank	Deprecated theme_xx functions
theme_bw	ggplot2 themes
theme_classic	ggplot2 themes
theme_get	Get, set and update themes.
theme_gray	ggplot2 themes
theme_grey	ggplot2 themes
theme_light	ggplot2 themes
theme_line	Deprecated theme_xx functions
theme_linedraw	ggplot2 themes
theme_minimal	ggplot2 themes
theme_rect	Deprecated theme_xx functions
theme_segment	Deprecated theme_xx functions
theme_set	Get, set and update themes.
theme_text	Deprecated theme_xx functions
theme_update	Get, set and update themes.
translate_qplot_base	Translating between qplot and base graphics
translate_qplot_ggplot	Translating between qplot and ggplot
translate_qplot_gpl	Translating between qplot and Graphics Production Library (GPL)
translate_qplot_lattice	Translating between qplot and lattice

-- U --

update_element	Update theme param
update_geom_defaults	Modify geom/stat aesthetic defaults for future plots
update_labels	Update axis/legend labels
update_stat_defaults	Modify geom/stat aesthetic defaults for future plots

-- X --

x	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend
xend	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend
xlab	Change axis labels and legend titles
xlim	Convenience functions to set the limits of the x and y axis.
xmax	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend
xmin	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend

-- Y --

y	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend
yend	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend
ylab	Change axis labels and legend titles
ylim	Convenience functions to set the limits of the x and y axis.
ymax	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend
ymin	Position related aesthetics: x, y, xmin, xmax, ymin, ymax, xend, yend

-- misc --

%+%	Modify a ggplot or theme object by adding on new components.
%+replace%	Modify a ggplot or theme object by adding on new components.
+.gg	Modify a ggplot or theme object by adding on new components.