Identify a True Statement About an Unsupervised Model

Multiple Choice

Identify a true statement about an unsupervised model.

A) An unsupervised model includes techniques that require a defined outcome measure.
B) An unsupervised model provides an answer key the algorithm can use to evaluate its training data accuracy.
C) Unsupervised learning enables the collection of data or a data output from a previous calculation.
D) An unsupervised model has no target variable.