metR (version 0.15.0)

JumpBy: Skip observations

Description

Skip observations

Usage

JumpBy(x, by, start = 1, fill = NULL)

Value

A vector of the same class as x and, if fill is not null, the same length.

Arguments

x

vector

by

numeric interval between elements to keep

start

index to start from

fill

how observations are skipped

Details

Mostly useful for labelling only every byth element.

See Also

Other utilities: Anomaly(), Mag(), Percentile(), logic

Examples

x <- 1:50
JumpBy(x, 2)   # only odd numbers
JumpBy(x, 2, start = 2)   # only even numbers
JumpBy(x, 2, fill = NA)   # even numbers replaced by NA
JumpBy(x, 2, fill = 6)   # even numbers replaced by 6