Which of the following data mining techniquesuses a specialized set of algorithms that sorts through data and forms statistical rules about relationships among the items?
a. Neural computing
b. Association analysis
c. Case-based reasoning
d. Drill-down analysis
b. Association analysis
Association analysis uses a specialized set of algorithms that sorts through data and forms statistical rules about relationships among the items. Association analysis is one of the most commonly used data mining techniques.
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What does the first pass of selection sort do?
a) Splits the array into two approximately equal pieces. b) Orders the first two elements of the array. c) Partitions the array into two unequal pieces depending on whether each element in the array is greater or less that some pivot element. d) Locates the smallest element in the array and swaps it into the zeroth position.
Each measurement of a sound wave is called a(n) ____.
A. index B. sample C. metric D. cycle