Suppose the dissimilarity between clusters A and B has the value 24 and the dissimilarity between cluster B and C has the value 12 . Use McQuitty's method to determine the dissimilarity of clusters A and B.
a. 12 b. 18
c. 24 d. 36
Q. 2The Y axis of a decile chart shows
a. number of important class records identified.
b. ratio of decile mean to overall mean.
c. the number of actual Class 1 records.
d. the ratio of the overall mean to the decile mean.
Q. 3___________________ can be used to partition observations in a manner to obtain clusters with the least amount of information loss due to the aggregation.
a. Single linkage b. Ward's method
c. Average group linkage d. Dendrogram
Q. 4_______compares the number of actual Class 1 observations identified if considered in decreasing order of their estimated probability if randomly selected.
a. Cumulative lift
b. Classification confusion
c. Decile-wise lift chart
d. ROC curve
Q. 5____________________ measures cluster similarity by calculating the distance between the centroids of the two clusters.
a. Single linkage b. Complete linkage
c. Average linkage d. Cendroid linkage
Q. 6_______ attempts to classify a categorical outcome as a linear function of explanatory variables.
a. Linear regression
b. Logistic regression
c. Classification model
d. Supervised learning
Q. 7Average linkage is a measure of calculating dissimilarity between two clusters by
a. finding the distance between the two most dissimilar observations in the two clusters.
b. computing the average distance between every pair of observations between two clusters.
c. finding the distance between the two closest observations in the two clusters.
d. computing the distance between the cluster centroids.
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