runningratio: Running ratio

In kbroman/broman: Karl Broman's R Code

Running ratio

Description

Calculates a running ratio; a ratio sum(top)/sum(bottom) in a sliding window.

Usage

runningratio(pos, numerator, denominator, at = NULL, window = 1000)

Arguments

pos	Positions for the values.
numerator	Values for numerator in ratio.
denominator	Values for denominator in ratio.
at	Positions at which running ratio is calculated. If NULL, pos is used.
window	Window width.

Value

A vector with the same length as the input at (or pos, if at is NULL), containing the running ratio.

Author(s)

Karl W Broman [e-mail]

See Also

runningmean()

Examples

x <- 1:1000
y <- runif(1000, 1, 5)
z <- runif(1000, 1, 5)
plot(x, runningratio(x, y, z, window=5), type="l", lwd=2)
lines(x, runningratio(x, y, z, window=50), lwd=2, col="blue")
lines(x, runningratio(x, y, z, window=100), lwd=2, col="red")

kbroman/broman documentation built on Feb. 11, 2024, 7:18 a.m.