| sm_add_point | R Documentation | 
Add a point annotation onto the combined plot
sm_add_point(x, y, size = 10, shape = 16, color = "black", ...)
| x | Location of the point annotation along the x-axis of the combined figure. Default is the middle origin (0.5). Values from 0 to 1. | 
| y | Location of the point annotation along the y-axis of the combined figure. Default is the middle origin (0.5). Values from 0 to 1. | 
| size | Size of the point | 
| shape | Shape of the point. Default is set to circle without border (16). | 
| color | Color of the point. Default is set to black. | 
| ... | Other parameters of point that get passed to geom_point(). | 
Prints a point in the combined plot.
library(ggplot2)
library(smplot2)
ggplot(data = mtcars, mapping = aes(x = drat, y = mpg)) +
geom_point(shape = 21, fill = '#0f993d', color = 'white',
          size = 3) -> p1
ggplot(data = mtcars, mapping = aes(x = drat, y = mpg)) +
 geom_point(shape = 21, fill = '#0f993d', color = 'white', size = 3) +
 sm_hvgrid() -> p2
combined_fig <- sm_put_together(list(p1,p2), ncol=2,nrow=1)
combined_fig + sm_add_point(color='red', size = 10, x = .5, y= .5)
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