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A: =11=1.5n=11
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A: Mean()=66standard deviation()=16sample size(n)=14
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A: n1=n2=17X1¯=106,X2¯=103,s1=5,s2=1
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- 3. Use the training data of Gauss2 example (Gauss2.train). (a). Run the K-means algorithm with K = 2 clusters and make a plot identifying the clusters. Also label the points with their known classes. = 2 clusters and make (b). Multiple all the x1 by 10. Run the K-means algorithm with K a plot identifying the clusters. Also label the points with their known classes. (c). Compare the class and cluster groupings for both plots in (a) and (b). Explain any differences between them. (d). Use agglomerative hierarchical clustering (hclust in the MASS library) to cluster the data, and divide them into 2 groups. You can use the function cutree to divide the clusters into 2 groups. Report on how the predicted cluster labels compare with actual cluster labels for each of the three methods for measuring distance between clusters, i.e. single linkage, complete linkage and average linkage. (e). Plot the dendrograms for the three methods in (d). What does the shape of the the dendrograms suggest about…Vw QUESTION 10 9. Please use the graph below to show that Dijkstra's algorithm cannot be used if the graph has negative edges. Source = A 3. 1. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Paragraph 10pt Arial 田国 出田回 BIUSWhich of the following is a benefit of a within-groups design over a between-groups design?
- nglsh 072 003 Asper Casses DE. XL-Properties of parallelogram x New Tab a ixl.com/math/geometry/properties-of-parallelograms augus.k12.ma.us bookmarks S math Login Scholastic Student. A Classroom O Sheppard Software:. KỊ Kahoot! Social Studio PRecommendations A Skill plans 4 Math LI Language arts A Science WSocial stu Geometry * N.6 Properties of parallelograms LLK You h Find VY in rectangle VWXY. W a-16 За-78 Y VY = Submit DELL[This is multiple choice#2] In the given figure, using Kruskal’s algorithm, which edge should we choose third? a. EFb. AGc. BGd. EGe. None of the aboveDraw a graph that has the given adjacency matrix.
- Yue Bing is a new intern at Linkedln. She has designed a new recommendation algorithm for connecting LinkedIn users to other users, and wants to see if it will cause an increase the average number of messages sent by Linkedln users. She will randomly sample one group of users from the LinkedIn network and set up their accounts so that they use the new recommendation algorithm. She will then randomly sample another group of users, who will operate on the regular recommendation algorithm. She determines how many messages are sent by users over the course of year. She ends up assigning 23 users to the new algorithm, and 38 users to the old algorithm. She provides you with some of her data, though it is incomplete. Sample Size Sample Mean Standard Deviation New23 34.4 ?? Old 38 27.3 3.1 She insists all assumptions necessary for a confidence interval for a difference between two appropriate means have been verified. What distribution would we use to determine the critical value of a 95%…[This is multiple choice#1] In the given figure, using Kruskal’s algorithm, which edge should we choose first? a. AB b. EG c. BE d. AG e. None of the abovewhat is the fuzzy graph theory and give examples.
- I. What steps can be taken to ensure that K-means clustering is deterministic? II. A dataset is to be clustered using K-means. Following an iteration of the K-means algorithm, the data is partitioned into K clusters. Is it possible for the K-means algorithm to revisit this same clustering in a following iteration? Explain your answer.Refer to Figure 1. Using Floyd Warshall Algorithm, display the initial distance matrix and illustrate the shortest path distance between every pair of vertices for the directed weighted graph below. Show the calculation process. 4 4 2 2 1 3 Figure 1 Directed Graph with Four NodesCoordinates for a clipping window and a line are given in the following figure. Use Liang- Q1. Barsky algorithm to clip this line with respect to the clipping window. Show your steps and calculations clearly. Ymax=20- Po(8, 12) Ymin=10 P1(30,6) Xmin=10 Xmax=20