Stairs test signal

A monotonically stepping signal (staircase).

Usage

signal_stairs(n = 2000, seed = NULL)

Arguments

n

Length of the signal. Defaults to 2000.

seed

Optional seed.

Value

A tibble with columns index and value.

See also

Other test signals: cpt_simulate(), signal_blocks(), signal_fms(), signal_mix(), signal_teeth()

Examples

x <- signal_stairs(n = 500, seed = 2026)
attr(x, "true_changepoints")   # ten steps, so nine changes
#> [1]  50 100 150 200 250 300 350 400 450
cpt_detect(x$value, method = "pelt")$changepoints$cp
#> [1]  50 100 150 200 250 300 350 400 450