MetricsWeighted (version 0.5.0)

precision: Precision

Description

Calculates weighted precision, see https://en.wikipedia.org/wiki/Precision_and_recall for the (unweighted) version. The higher, the better.

Usage

precision(actual, predicted, w = NULL, ...)

Arguments

actual

Observed values (0 or 1).

predicted

Predicted values (0 or 1).

w

Optional case weights.

...

Further arguments passed to weighted_mean.

Value

A numeric vector of length one.

See Also

recall, f1_score.

Examples

# NOT RUN {
precision(c(0, 0, 1, 1), c(0, 0, 1, 1))
precision(c(1, 0, 0, 1), c(0, 0, 1, 1))
precision(c(1, 0, 0, 1), c(0, 0, 1, 1), w = 1:4)
# }