C3 Tooltips

Modify plot elements that relate to tooltips. C3.js documentation contains an extended example.

tooltip(c3, show = TRUE, grouped = TRUE, format = NULL,
  position = NULL, contents = NULL, ...)

# S3 method for c3
tooltip(c3, show = TRUE, grouped = TRUE, format = NULL,
  position = NULL, contents = NULL, ...)

Arguments

c3	c3 htmlwidget object
show	boolean show or hide tooltips
grouped	boolean
format	list with options: title: character js function, wrap character or character vector in JS() name: character js function, wrap character or character vector in JS() value: character js function, wrap character or character vector in JS()
position	character js function, wrap character or character vector in JS()
contents	character js function, wrap character or character vector in JS()
...	addition options passed to the tooltip object

Value

c3

See also

Other c3: RColorBrewer, c3, grid, legend, region, subchart, xAxis, zoom

Examples

data <- data.frame(a = abs(rnorm(20) *10),
                   b = abs(rnorm(20) *10),
                   c = abs(rnorm(20) *10),
                   d = abs(rnorm(20) *10))
data %>%
  c3() %>%
  tooltip(format = list(title = htmlwidgets::JS("function (x) { return 'Data ' + x; }"),
                        name = htmlwidgets::JS('function (name, ratio, id, index)',
                                               ' { return name; }'),
                        value = htmlwidgets::JS('function (value, ratio, id, index)',
                                                ' { return ratio; }')))