SetFunction.md (408B)
1 # Set Function 2 3 Stats CH1 4 5 **Definition:** A set function is a function defined as u : X -> Y where X is a collection of sets and Y is anything. 6 7 Basically, a set function takes in a collection of sets (set of sets) and outputs a something that may be an element or set or whatever. In the context of stats it is often that the mu (greek u) takes in a subset of sets and outputs a probability of each set.