JumpBy function

Skip observations

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

Arguments

• x: vector
• by: numeric interval between elements to keep
• start: index to start from
• fill: how observations are skipped

Returns

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

Details

Mostly useful for labelling only every byth element.

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

See Also

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