There was an interesting article a couple of weeks ago in the New York Times magazine section on the role that Big Data can play in treating patients -- discovering things that clinical trials are too slow, too expensive, and too blunt to find. The…
Likert scales are categorical ordinal scales used in social sciences to measure attitude. A typical example is a set of response options ranging from "strongly agree" to "strongly disagree."
A node is an entity in a network. In a social network, it would be a person. In a digital network, it would be a computer or device.
Latent variable models postulate some relationship between the statistical properties of observable variables.
K-nearest-neighbor (K-NN) is a machine learning predictive algorithm that relies on calculation of distances between pairs of records.