Adds a fixed effect column (prefixed with ".") to the design data frame for simulation purposes.
Usage
add_fixed_effect(design_df, ...)
Arguments
- design_df
A data frame containing the rollout design and any parameters.
- ...
A single named expression specifying the fixed effect to add (e.g., beta = 0.5 * x).
Value
A tibble with the added fixed effect column.
Examples
df <- tibble::tibble(x = rnorm(5))
add_fixed_effect(df, beta = 0.5 * x)
#> # A tibble: 5 × 2
#> x .beta
#> <dbl> <dbl>
#> 1 -0.171 -0.0854
#> 2 1.63 0.816
#> 3 -0.783 -0.391
#> 4 -0.00289 -0.00145
#> 5 0.413 0.207