_.forEachRight(collection, [iteratee=_.identity])

_.keyBy(collection, [iteratee=_.identity])

_.some(collection, [predicate=_.identity])

_.shuffle(collection)

_.countBy(collection, [iteratee=_.identity])

_.reject(collection, [predicate=_.identity])

_.sortBy(collection, [iteratees=[_.identity]])

_.partition(collection, [predicate=_.identity])

_.flatMap(collection, [iteratee=_.identity])

_.sampleSize(collection, [n=1])