Add between factors

add_between(.data, .by = NULL, ..., .shuffle = FALSE, .prob = NULL)

Arguments

.data: the data frame
.by: the grouping column (groups by row if NULL)
...: the names and levels of the new factors
.shuffle: whether to assign cells randomly or in "order"
.prob: probability of each level, equal if NULL

Value

data frame

Examples

add_random(subj = 4, item = 2) %>%
  add_between("subj", condition = c("cntl", "test")) %>%
  add_between("item", version = c("A", "B"))
#> # A tibble: 8 × 4
#>   subj  item  condition version
#>   <chr> <chr> <fct>     <fct>  
#> 1 subj1 item1 cntl      A      
#> 2 subj1 item2 cntl      B      
#> 3 subj2 item1 test      A      
#> 4 subj2 item2 test      B      
#> 5 subj3 item1 cntl      A      
#> 6 subj3 item2 cntl      B      
#> 7 subj4 item1 test      A      
#> 8 subj4 item2 test      B