Lagged absolute change

Usage

chg_abs(x, n = 1L, fill_na = 0L)

Arguments

x: numeric vector
n: values to offset
fill_na: fill value for any NAs; default is 0

Examples

fuimus:::provider_data(2020:2025) |>
  dplyr::mutate(change = chg_abs(net_payment),
  .by = group)
#> # A tibble: 12 × 4
#>     year group net_payment change
#>    <int> <chr>       <int>  <int>
#>  1  2020 A           12069      0
#>  2  2021 A           11920   -149
#>  3  2022 A           14274   2354
#>  4  2023 A           16829   2555
#>  5  2024 A           14928  -1901
#>  6  2025 A           11560  -3368
#>  7  2020 B           14590      0
#>  8  2021 B           15617   1027
#>  9  2022 B           16308    691
#> 10  2023 B           12783  -3525
#> 11  2024 B           12923    140
#> 12  2025 B           11874  -1049