Set a chart's statistical transformation

Chooses how y is derived from the data. "identity" plots y verbatim and every other value aggregates y grouped by x.

Usage

set_stat(chart, stat)

Arguments

chart

Defines which chart to modify.

stat

Defines how y is aggregated. One of "identity", "count", "sum", "mean", "min", "max", "sd", or "var".

Value

chart, with its stat set.

Examples

df <- data.frame(species = c("a", "a", "b"), mass = c(1, 5, 3))

arc_chart(df) |>
  set_type("bar") |>
  set_x(species) |>
  set_y(mass) |>
  set_stat("mean")