Filter returns a new slice containing only the elements in the input slice s for which the specified function f is true.

Map returns a new slice that contains each of the elements of the input slice s mutated by the specified function.

Reduce applies the reducing function f to each element of the input slice s, and returns the value of the last call to f.

Stats returns descriptive statistics parameters to summarize the input data set.

DescStats contains descriptive statistics items for a data set.