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Add between factors

Usage

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