Which of the following is not a procedure to check the quality of clustering results?
A) Perform cluster analysis on the same data using different distance measures. Compare the results across measures to determine the stability of the solutions.
B) Delete variables randomly. Perform clustering based on the reduced set of variables. Compare the results with those obtained by clustering based on the entire set of variables.
C) Use the same method of clustering and compare the results.
D) Split the data randomly into halves. Perform clustering separately on each half. Compare cluster centroids across the two subsamples.
C
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a. an insult b. multiple harassing late-night phone calls c. violent threats d. all the other specific choices e. none of the other specific choices
A contract formed by performance of actions requested by another party is:
a. a voidable contract b. a contract with a promissory estoppel clause c. a pre-textual agreement d. a parol evidence contract e. none of the other choices