What does each iteration of the insertion sort algorithm do?
a. Each iteration takes the next smallest element and inserts it at the beginning of the array.
b. Each iteration takes the next element in the unsorted portion of the array and inserts it into the sorted portion.
c. Sorted subarrays are inserted into the larger array.
d. Each iteration determines the location of a pivot and inserts it into place.
b. Each iteration takes the next element in the unsorted portion of the array and inserts it into the sorted portion.
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The leader algorithm (Hartigan [4]) represents each cluster using a point, known as a leader, and assigns each point to the cluster corresponding to the closest leader, unless this distance is above a user-specified threshold. In that case, the point becomes the leader of a new cluster. Note that the algorithm described here is not quite the leader algorithm described in Hartigan, which assigns a point to the first leader that is within the threshold distance. The answers apply to the algorithm as stated in the problem.
(a) What are the advantages and disadvantages of the leader algorithm as compared to K-means? (b) Suggest ways in which the leader algorithm might be improved.
Which of the following statements is false?
a. A function definition begins with the def keyword, followed by the function name, a set of parentheses and a colon (:). b. Like variable identifiers, by convention function names should begin with a lowercase letter and in multiword names underscores should separate each word. c. The required parentheses contain the function’s parameter list—a com-ma-separated list of parameters representing the data that the function needs to perform its task. d. The indented lines after the colon (:) are the function’s suite, which consists of an optional docstring followed by the statements that perform the function’s task.
The Internet is a subset of the World Wide Web.
Answer the following statement true (T) or false (F)
The character spacing option expands or compresses spacing between characters by a specified number of points
Indicate whether the statement is true or false