Author Question: Data used to build a data mining model is called a. validation data. b. training data. c. test ... (Read 813 times)

Diane · **on:** Jun 24, 2018

Data used to build a data mining model is called
a. validation data.
b. training data.
c. test data.
d. exploration data.

Question 2

Which of the following is true of Euclidean distances?
a. It is used to measure dissimilarity between categorical variable observations.
b. It is not affected by the scale on which variables are measured.
c. It increases with the increase in similarity between variable values.
d. It is commonly used as a method of measuring dissimilarity between quantitative observations.

kswal303 · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

b
RATIONALE: Data used to build a data mining model is called training data.

Answer to Question 2

d
RATIONALE: When observations include numerical variables, Euclidean distance is the most common method to measure dissimilarity between observations.