The simplest measure of similarity between observations consisting solely of categorical variables is given by _____.
A) the Euclidean distance
B) the Ward's distance
C) matching coefficient
D) Jaccard's coefficient

Question

Quizplus · Accepted Answer

When clustering observations solely on the basis of categorical variables encoded as
0-1 (or dummy variables), a better measure of similarity between two observations can be achieved by counting the number of variables with matching values. The simplest overlap measure is called the matching coefficient.

The Simplest Measure of Similarity Between Observations Consisting Solely of Categorical