Question

What is the name of the function that takes the input and maps it to the output variable called ?

Answer 1

Machine learning algorithms will be mainly described as the learning with the target function (f) and best maps input variables (X) to output variable (Y).

Classification as well as regression supervised learning problems are known for more number of aspects without any hassle.

Problem that sits in between supervised and unsupervised learning are called as semi-supervised learning.