Coders

ANSWERS  1. a 2. d 3. a 4. d 5. a 6. b 7. d 8. a 9. b 10. c Week 7 : Assignment 7 Due date: 2023-03-15, 23:59 IST. Assignment not submitted 1 point Which of the following statement is NOT true about clustering?   a. It is a supervised learning technique   b. It is an unsupervised learning technique   c. It is also known as exploratory data analysis   d. It groups data into homogeneous groups 1 point Which of the following clustering technique start with the points as individual clusters and, at each step, merge the closest pair of clusters   a. K-Means clustering   b. DBSCAN   c. Divisive clustering   d. Agglomerative clustering 1 point DBSCAN is a___________ algorithm   a. Partitional clustering   b. Hierarchical clustering   c. Fuzzy clustering   d. Complete clustering 1 point The Euclidean distance matrix between four 2-dimensional points, p1, p2, p3, and p4, is shown below. A possible set of co-ordinate values of these points are:   a.  p1=(0, 0), p2=(0, 1), p3=(1, 0), p4=(1, 1)  

  Week 06: Assignment 06 ANSWERS 1. c 2. a 3. d 4. a 5. d 6. b 7. a 8. a 9. a 10. b Due date: 2023-03-08, 23:59 IST. Assignment not submitted 1 point Sufficient Number of output nodes required in an ANN used for two-class classification problem is:   a. Random number   b. Same as number of input nodes   c. 1   d. 2 1 point How are the weights and biases initialized in an ANN in general?   a. Can be initialized randomly   b. Always initialized to zero   c. Always initialized to infinity   d. Always initialized as 1 1 point In which of the below neural network, the links may connect nodes within the same layer or nodes from one layer to the previous layers?   a. Perceptron   b. Feed-forward neural network   c. Recurrent neural network   d. Both B, C 1 point Neural Networks are complex ______________ with many parameters.   a. Linear Functions   b. Nonlinear Functions   c. Discrete Functions   d. Exponential Functions 1 point Artificial neural network used for:   a. Pattern Recognition  

  Week 5 : Assignment 5 Due date: 2023-03-01, 23:59 IST. Assignment not submitted 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. 1 point   A.   B.   C.   D. ANSWERS 1. B 2. C 3. B 4. C 5. A 6. D 7. D 8. C 9. D 10. A

  Week 04: Assignment 04 Due date: 2023-02-22, 23:59 IST. Your last recorded submission was on 2023-02-15, 13:17 IST 1 Which of the following statement is true about Bayes classifier?   (a) It always provides zero error when class distributions are known   (b)It always provides the lowest possible error when class distributions are known   (c) It may not always provide the lowest possible error when class distributions are known   (d) It always provides the lowest possible error when class distributions are estimated Let A be an example, and C be a class. The probability P(C|A) is known as:   (a) Apriori probability   (b) Aposteriori probability   (c) Class conditional probability   (d) None of the above Let A be an example, and C be a class. The probability P(C) is known as:   (a) Apriori probability   (b) Aposteriori probability   (c) Class conditional probability   (d) None of the above Consider a binary classification problem with two classes C1 and C2. Class labels of ten other tr