View source: R/geom_textsmooth.R
geom_textsmooth | R Documentation |
Smoothed conditional means are available
in ggplot2 via geom_smooth
. This geom
layer simply adds a text label to each curve that follow the contour of
this line when used as a drop-in replacement for
geom_smooth
geom_textsmooth( mapping = NULL, data = NULL, stat = "smooth", position = "identity", ..., method = NULL, formula = NULL, na.rm = FALSE, orientation = NA, show.legend = NA, inherit.aes = TRUE ) geom_labelsmooth( mapping = NULL, data = NULL, stat = "smooth", position = "identity", method = NULL, formula = NULL, na.rm = FALSE, orientation = NA, show.legend = NA, inherit.aes = TRUE, ... )
mapping |
Set of aesthetic mappings created by |
data |
The data to be displayed in this layer. There are three options: If A A |
stat |
The statistical transformation to use on the data for this layer, as a string. |
position |
Position adjustment, either as a string, or the result of a call to a position adjustment function. |
... |
Other arguments passed on to
|
method |
Smoothing method (function) to use, accepts either
For If you have fewer than 1,000 observations but want to use the same |
formula |
Formula to use in smoothing function, eg. |
na.rm |
If |
orientation |
The orientation of the layer. The default ( |
show.legend |
logical. Should this layer be included in the legends?
|
inherit.aes |
If |
A Layer
ggproto object that can be added to a plot.
geom_textdensity()
understands the following aesthetics (required aesthetics are in bold):
x
label
alpha
angle
colour
family
fontface
group
hjust
linecolour
lineheight
linetype
linewidth
size
spacing
textcolour
vjust
In addition to aforementioned aesthetics, geom_labeldensity()
also understands:
boxcolour
boxlinetype
boxlinewidth
fill
The spacing
aesthetic allows fine control of spacing
of text, which is called 'tracking' in typography.
The default is 0 and units are measured in 1/1000 em.
Numbers greater than zero increase the spacing,
whereas negative numbers decrease the spacing.
Learn more about setting these aesthetics
in vignette("ggplot2-specs")
.
Other geom layers that place text on paths.
ggplot(iris, aes(x = Sepal.Length, y = Petal.Length)) + geom_point(alpha = 0.1) + geom_textsmooth(aes(label = Species, colour = Species), method = "loess", formula = y ~ x, size = 7, linetype = 3, fontface = 2, linewidth = 1) + scale_colour_manual(values = c("forestgreen", "deepskyblue4", "tomato4")) + theme_bw() + theme(legend.position = "none")
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