View source: R/stat_conf_ellipse.R
stat_conf_ellipse | R Documentation |
Plot confidence ellipses around barycenters. The method for
computing confidence ellipses has been modified from FactoMineR::coord.ellipse()
.
stat_conf_ellipse( mapping = NULL, data = NULL, geom = "path", position = "identity", na.rm = FALSE, show.legend = NA, inherit.aes = TRUE, level = 0.95, npoint = 100, bary = TRUE, ... )
mapping |
Set of aesthetic mappings created by |
data |
The data to be displayed in this layer. There are three options: If A A |
geom |
The geometric object to use to display the data, either as a
|
position |
Position adjustment, either as a string naming the adjustment
(e.g. |
na.rm |
If |
show.legend |
logical. Should this layer be included in the legends?
|
inherit.aes |
If |
level |
confidence level used to construct the ellipses. By default, 0.95. |
npoint |
number of points used to draw the ellipses. |
bary |
logical value. If TRUE, the coordinates of the ellipse around the barycentre of individuals are calculated. |
... |
Other arguments passed on to |
stat_conf_ellipse
# Load data data("mtcars") df <- mtcars df$cyl <- as.factor(df$cyl) # scatter plot with confidence ellipses ggscatter(df, x = "wt", y = "mpg", color = "cyl")+ stat_conf_ellipse(aes(color = cyl)) ggscatter(df, x = "wt", y = "mpg", color = "cyl")+ stat_conf_ellipse(aes(color = cyl, fill = cyl), alpha = 0.1, geom = "polygon")
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