Add an annotation point

Add an annotation point

Usage

add_point(
  ax,
  x,
  y,
  size = 5,
  color = "#000",
  fill = "#FFF",
  width = 2,
  shape = "circle",
  radius = 2,
  label = NULL,
  ...
)

Arguments

ax

An apexchart() htmlwidget object.

x

Coordinate(s) on the x-axis.

y

Coordinate(s) on the y-axis.

size

Size of the marker.

color

Stroke Color of the marker point.

fill

Fill Color of the marker point.

width

Stroke Size of the marker point.

shape

Shape of the marker: "circle" or "square".

radius

Radius of the marker (applies to square shape).

label

Add a label to the shade, use a character or see label for more controls.

...

Additional arguments, see https://apexcharts.com/docs/options/annotations/ for possible options.

Value

An apexchart() htmlwidget object.

See also

add_event_marker to add a point when x-axis is a datetime.

Examples

library(apexcharter)

# On scatter chart
apex(
  data = iris,
  aes(Sepal.Length, Sepal.Width),
  "scatter"
) %>% 
  add_point(
    x = mean(iris$Sepal.Length),
    y = mean(iris$Sepal.Width)
  )


# Some options
apex(
  data = iris,
  aes(Sepal.Length, Sepal.Width),
  "scatter"
) %>% 
  add_point(
    x = mean(iris$Sepal.Length),
    y = mean(iris$Sepal.Width), 
    fill = "firebrick",
    color = "firebrick",
    size = 8,
    label = label(text = "Mean", offsetY = 0)
  )



# Several points
clusters <- kmeans(iris[, 1:2], 3)
apex(
  data = iris,
  aes(Sepal.Length, Sepal.Width),
  "scatter"
) %>% 
  add_point(
    x = clusters$centers[, 1],
    y = clusters$centers[, 2]
  )