elbow_point {smerc}

Compute Elbow Point

Description

elbow_point computes the elbow point based on the maximum distance between each point and the line passing through the end points.

Usage

elbow_point(x, y)

Arguments

x

A numeric vector

y

A numeric vector

Value

A list with the index (idx), x-value (x) and y-value (y) of the elbow point.

Author(s)

Joshua French and Mohammad Meysami

References

https://en.wikipedia.org/wiki/Distance_from_a_point_to_a_line

See Also

optimal_ubpop

Examples

# generate some data
x <- c(0, 0.5, 1)
y <- c(1, 0.1, 0)
# plot data (the second point is clearly the elbow)
plot(x, y)
elbow_point(x, y)