prefio (version 0.2.0)

pref_pop: Eliminate lowest (or highest) ranked items from preferences.

Description

Eliminate lowest (or highest) ranked items from preferences.

Usage

pref_pop(x, n = 1L, lowest = TRUE, drop = FALSE)

Value

A new vector of preferences which is equal to x but with the least preferred selection dropped for each selection.

Arguments

x

A vector of preferences.

n

The number of times to remove the bottom rank.

lowest

If TRUE, eliminates the lowest ranked item(s) for each selection.

drop

If TRUE, drops blank preferences from the output.

Examples

# Remove the lowest ranked item from each preference
pref_pop(preferences(c("a > b > c", "b > c > a")))

# Remove the 2 lowest ranked items
pref_pop(preferences(c("a > b > c > d", "b > c > a > d")), n = 2)

# Remove the highest ranked item instead
pref_pop(preferences(c("a > b > c", "b > c > a")), lowest = FALSE)

# Remove blank preferences that result from popping
pref_pop(preferences(c("a > b", "c", "")), drop = TRUE)