Select all that are TRUE about regression.

NOTE: In the answers below, R1, RM, and RN have the following meaning

R1R1

RNRN

RMRM

Where N and M are integers.

Group of answer choices

Regression is a case of supervised machine learning

Regression model attempts to divide the dataset into distinct groups

Regression models "learns" a functional relationships in the data

Regression leverages existing functional relationships in the data

Regression and curve fitting are very different and un-related things

Vector regression learns a functional mapping from X in RM to Y in RN

Scalar regression learns a functional mapping from X in RN to Y in R1

Regression models approximate the ground truth data generating function