lof_scores {weird}

Local outlier factors

Description

Compute local outlier factors using k nearest neighbours. A local outlier factor is a measure of how anomalous each observation is based on the density of neighbouring points. The function uses dbscan::lof to do the calculation.

Usage

lof_scores(y, k = 10, ...)

Arguments

y

Numerical matrix or vector of data

k

Number of neighbours to include. Default: 5.

...

Additional arguments passed to dbscan::lof

Value

Numerical vector containing LOF values

Author(s)

Rob J Hyndman

See Also

dbscan::lof

Examples

y <- c(rnorm(49), 5)
lof_scores(y)