This function simply counts the proportion of people who selected the data plot, in a set of lineups. It adjusts for multiple picks by the same individual, by weighting by the total number of choices.
visual_power(data, m = 20)summary of the results, containing columns id, pic_id, response, detected
size of the lineup
vector of powers for each pic_id
data(turk_results)
visual_power(turk_results)
#> # A tibble: 6 × 3
#> pic_id power n
#> <int> <dbl> <int>
#> 1 36 0 18
#> 2 105 0.746 17
#> 3 116 0.125 16
#> 4 131 0.842 14
#> 5 159 0.656 15
#> 6 225 0.130 15