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Author Question: A _____ classifies a categorical outcome variable by splitting observations into groups via a ... (Read 145 times)

haleyc112

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on: Jun 24, 2018
A _____ classifies a categorical outcome variable by splitting observations into groups via a sequence of hierarchical rules.
 a. regression tree b. scatter chart
  c. classification tree d. classification confusion matrix

Question 2

The strength of a cluster can be measured by comparing the average distance in a cluster to the distance between cluster centroids. One rule of thumb is that the ratio for between-cluster distance to within-cluster distance should exceed what value for useful clusters?
 a. 0.5
  b. 1
  c. 1.5
  d. 2


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Ksh22

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Reply #1 on: Jun 24, 2018
Answer to Question 1

c
RATIONALE: A classification tree classifies a categorical outcome variable by splitting observations into groups via a sequence of hierarchical rules.

Answer to Question 2

b
RATIONALE: The ratio of between-cluster distance to within-cluster distance should exceed 1.0 for useful clusters.


haleyc112

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Reply 2 on: Jun 24, 2018
Gracias!

shewald78

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Reply 3 on: Yesterday
Wow, this really help

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