?A _____ is a horizontal line of information in a table.
A. ?header
B. ?row
C. ?list
D. ?break-note
Answer: B
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Choose the correct pronoun in the following sentence.Each of the comets has _________ own orbit.?
A. ?its B. ?their
Apple Pay is an example of a(n) _______ .
A. mobile wallet B. mobile payment C. NFC D. e-commerce
A(n) ________ method of risk assessment needs to be applied across the business enterprise
Fill in the blank(s) with correct word
Clusters of documents can be summarized by finding the top terms (words) for the documents in the cluster, e.g., by taking the most frequent k terms, where k is a constant, say 10, or by taking all terms that occur more fre- quently than a specified threshold. Suppose that K-means is used to find clusters of both documents and words for a document data set.
(a) How might a set of term clusters defined by the top terms in a document cluster differ from the word clusters found by clustering the terms with K-means? (b) How could term clustering be used to define clusters of documents?