return true if the list is empty or if all elements are true, use a Either state to indicate early failure
return false if the list is empty or if all elements are false, use a Either state to indicate early success
fold to count elements
fold to count elements
fold to count elements
fold to count elements
fold to count the number of unique elements
the first element
the first n elements
the number of times an element changes its value
the number of times an element changes its value
gradient of a given variable A, compared to another V
the last element
the last n elements
lift a function to a fold that applies f to the last element
a Fold which simply accumulates elements into a List
the mean of elements
the number of elements, mean and standard deviation
the number of elements, mean and unbiased variance
the number of elements, mean and variance
the number of elements, mean and variation
a plus fold from a Num
a plus fold from a mapping to a Num
the proportion of elements satisfying a given predicate
a fold where the current state is a random Double
a fold where the current state is a random Double
a fold where the current state is a random Int
a fold where the current state is a random Int
create a fold for a mutable Random object
return an arbitrary streamed element so that each element has the same probability be chosen
the number of elements, mean and standard deviation
a times fold from a Num
a times fold from a mapping to a Num
List of predefined Folds