MetricsWeighted: precision – R documentation

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precision

Precision

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

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

`actual`	Observed values (0 or 1).
`predicted`	Predicted values (0 or 1).
`w`	Optional case weights.
`...`	Further arguments passed to `weighted_mean`.

A numeric vector of length one.

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)

Weighted Metrics, Scoring Functions and Performance Measures for Machine Learning

v0.5.2

GPL (>= 2)

Authors

Michael Mayer [aut, cre, cph], Christian Lorentzen [ctb, rev]

Initial release

2021-04-16