Metric — metric • termr

A key number with a label and an optional change (delta) shown as a green up or red down arrow. Useful in dashboards.

Usage

metric(
  label,
  value = NA,
  delta = NULL,
  format = NULL,
  id = NULL,
  classes = NULL,
  style = NULL
)

Arguments

label: Label shown above the value.
value: The value (any R value; numbers are formatted with thousands separators).
delta: Optional change since the last value.
format: Optional function(value) returning a string (also used for the delta).
id: Optional identifier.
classes: Optional classes.
style: A style().

Value

A Metric widget with reactive value and delta, and method update(value, delta).

Examples

render_widget(metric("Accuracy", 0.943, delta = 0.012), 20, 4)
#> <ScreenBuffer 20x4>
#> +--------------------+
#> |╭──────────────────╮|
#> |│ Accuracy         │|
#> |│ 0.943  ▲ 0.012   │|
#> |╰──────────────────╯|
#> +--------------------+