geom_text_radiate() is adapted from ggbiplot() in the
off-CRAN extensions of the same name (Vu, 2014; Telford, 2017; Gegzna,
2018). It renders text at specified positions and angles that radiate out
from the origin.
geom_text_radiate(
mapping = NULL,
data = NULL,
stat = "identity",
position = "identity",
...,
parse = FALSE,
check_overlap = FALSE,
na.rm = FALSE,
show.legend = NA,
inherit.aes = TRUE
)Set of aesthetic mappings created by aes(). If specified and
inherit.aes = TRUE (the default), it is combined with the default mapping
at the top level of the plot. You must supply mapping if there is no plot
mapping.
The data to be displayed in this layer. There are three options:
If NULL, the default, the data is inherited from the plot
data as specified in the call to ggplot().
A data.frame, or other object, will override the plot
data. All objects will be fortified to produce a data frame. See
fortify() for which variables will be created.
A function will be called with a single argument,
the plot data. The return value must be a data.frame, and
will be used as the layer data. A function can be created
from a formula (e.g. ~ head(.x, 10)).
The statistical transformation to use on the data for this
layer, either as a ggproto Geom subclass or as a string naming the
stat stripped of the stat_ prefix (e.g. "count" rather than
"stat_count")
Position adjustment, either as a string, or the result of
a call to a position adjustment function. Cannot be jointy specified with
nudge_x or nudge_y.
Other arguments passed on to layer(). These are
often aesthetics, used to set an aesthetic to a fixed value, like
colour = "red" or size = 3. They may also be parameters
to the paired geom/stat.
If TRUE, the labels will be parsed into expressions and
displayed as described in ?plotmath.
If TRUE, text that overlaps previous text in the
same layer will not be plotted. check_overlap happens at draw time and in
the order of the data. Therefore data should be arranged by the label
column before calling geom_text(). Note that this argument is not
supported by geom_label().
If FALSE, the default, missing values are removed with
a warning. If TRUE, missing values are silently removed.
logical. Should this layer be included in the legends?
NA, the default, includes if any aesthetics are mapped.
FALSE never includes, and TRUE always includes.
It can also be a named logical vector to finely select the aesthetics to
display.
If FALSE, overrides the default aesthetics,
rather than combining with them. This is most useful for helper functions
that define both data and aesthetics and shouldn't inherit behaviour from
the default plot specification, e.g. borders().
A ggproto layer.
ggbiplot() uses ggplot2::fortify() internally to produce a single data
frame with a .matrix column distinguishing the subjects ("rows") and
variables ("cols"). The stat layers stat_rows() and stat_cols() simply
filter the data frame to one of these two.
The geom layers geom_rows_*() and geom_cols_*() call the corresponding
stat in order to render plot elements for the corresponding factor matrix.
geom_dims_*() selects a default matrix based on common practice, e.g.
points for rows and arrows for columns.
geom_text_radiate() understands the following aesthetics (required
aesthetics are in bold):
x
y
label
alpha
angle
colour
family
fontface
hjust
lineheight
size
vjust
group
Vincent Q. Vu (2014). ggbiplot: A 'ggplot2' based biplot. R package version
0.55. https://github.com/vqv/ggbiplot, experimental branch
Richard J Telford (2017). ggbiplot: A 'ggplot2' based biplot. R package
version 0.6. https://github.com/richardjtelford/ggbiplot (fork),
experimental branch
Vilmantas Gegzna (2018). ggbiplot: A 'ggplot2' based biplot. R package
version 0.55. https://github.com/forked-packages/ggbiplot (fork), experimental
branch
Other geom layers:
geom_axis(),
geom_isoline(),
geom_lineranges(),
geom_origin(),
geom_unit_circle(),
geom_vector()