step_trend.Rd
Step change trend response model
step_trend(t, change_points, means, ...)
numeric; vector of time points.
numeric; vector of change points, within t
numeric; vector of means for the regimes implied by
change_points
. Must be of length length(change_points) + 1
.
other arguments. Ignored here.
# \dontshow{
set.seed(1)
op <- options(digits = 3, cli.unicode = FALSE)
# }
sims <- step_trend(1:100, change_points = c(25, 75), means = c(2, 8, 4))
sims
#> # A tibble: 100 x 2
#> t trend
#> <int> <dbl>
#> 1 1 2
#> 2 2 2
#> 3 3 2
#> 4 4 2
#> 5 5 2
#> 6 6 2
#> 7 7 2
#> 8 8 2
#> 9 9 2
#> 10 10 2
#> # ... with 90 more rows
library("ggplot2")
ggplot(sims, aes(x = t, y = trend)) +
geom_step()
options(op)