Explain why this method will not only speed up the convergence of the k-means algorithm, but also guarantee the quality of the final clustering results 9.1
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- Suppose there are six cities in a state. The distance matrix between each pair of the cities is given below. What is the dendrogram generated by hierarchical clustering with single-linkage? A В D E F A 60 120 185 260 300 60 90 210 258 320 120 185 90 140 179 200 210 132 140 179 125 E 260 258 125 135 300 320 200 132 135 Based on the resulting dendrogram, if we want to create 4 clusters, they are Cluster Number Items 1Correct answer will be upvoted else Multiple Downvoted. Computer science. You are given one integer n (n>1). Review that a change of length n is a cluster comprising of n unmistakable integers from 1 to n in discretionary request. For instance, [2,3,1,5,4] is a change of length 5, yet [1,2,2] isn't a stage (2 shows up twice in the exhibit) and [1,3,4] is additionally not a change (n=3 but rather there is 4 in the cluster). Your undertaking is to track down a stage p of length n that there is no file I (1≤i≤n) to such an extent that pi=i (along these lines, for all I from 1 to n the condition pi≠i ought to be fulfilled). You need to answer t autonomous experiments. In case there are a few replies, you can print any. It tends to be demonstrated that the appropriate response exists for each n>1. Input The main line of the input contains one integer t (1≤t≤100) — the number of experiments. Then, at that point, t experiments follow. The main line of the experiment…Given an unlabeled dataset {x(1),...,x(m)}. The K-mean algorithm has been run with 40 different random initializations, and 40 different clusterings of the data have been Ex0 – µwl² to choose the best obtained. Describe how we should use m m clustering.
- Shero got a variety of whole numbers a[1... n] as a gift. Presently he needs to play out a specific number of activities (potentially zero) so all components of the exhibit become the very (that is, to become a1=a2=..=an). In one activity, he can take a few lists in the exhibit and increment the components of the cluster at those records by 1. For instance, let a=[4,2,1,6,2]. He can play out the accompanying activity: select lists 1, 2, and 4 and increment components of the exhibit in those records by 1. Thus, in one activity, he can get another condition of the exhibit a=[5,3,1,7,2]. Demonstrate with codingCorrect answer will be upvoted else Multiple Downvoted. Don't submit random answer. Computer science. Andrey thinks he is genuinely a fruitful engineer, yet as a general rule he didn't know about the double inquiry calculation up to this point. Subsequent to perusing some writing Andrey comprehended that this calculation permits to rapidly find a specific number x in a cluster. that the components of the cluster are listed from nothing, and the division is done in integers (adjusting down). Andrey read that the calculation possibly works if the cluster is arranged. Notwithstanding, he tracked down this assertion false, in light of the fact that there unquestionably exist unsorted clusters for which the calculation track down x! Andrey needs to compose a letter to the book writers, yet prior to doing that he should consider the stages of size n to such an extent that the calculation tracks down x in them. A change of size n is an exhibit comprising of n unmistakable integers…In order to test connectivity, Python code uses the function Connectivity Undirected, which then calls the BFS algorithm, which returns a list of visited vertices and sorts them as shown below. The connectivity is then calculated by comparing this list to every node in the network in the main function. Be aware that in order to match the visited vertices with the sorted array of vertices, we must first sort the visited vertices. However, ordering can be avoided if sets are used in place of lists.
- K-means clustering is run on some data, for a few different values of K. Shown is the plot obtained for the inertia (a measure of average distance of points from the centroid of their allocated cluster), versus the number of clusters. What is the implied natural number of clusters to use? Inertia O 2000 1750 1500 1250 1000 750 500 250 T 9 3 1 -2 3 4 5 6 Number of clusters 7 .8 9Given an unlabeled dataset {x(1), ... , x(m)}. The K-mean algorithm has been run with 40 different random initializations, and 40 different clusterings of the data have been obtained. Describe how we should use Ex(1) – µ01² to choose the best m clustering.Given a sequence database, we would like to find all sequential patterns that do not only satisfy a minimum support min_sup, but also start with “{a}” and end with “{b}”, where {a} or {b} is an itemset containing a single item a or b, respectively. How would you modify the PrefixSpan algorithm so that such patterns can be generated efficiently?
- The procedure of evaluating the results of a clustering algorithm is known under the termcluster validity. In general terms, there are two approaches to investigate cluster validity Internal and External criteria. Both DB (Davies-Bouldin) and Silhouette Coefficient are internal criteria. Which one is NOT correct about these two criteria? Group of answer choices The minimum DB score is zero, with lower values indicating better clustering. DB is a measure of how similar an object is to its own cluster (cohesion) compared to other clusters (separation). The best value of Silhouette is 1 and the worst value is -1 No answer text provided.Computer Science Q11 Multidimensional scaling can work as long as we have the pairwise distances between objects. We do not actually need to represent the objects as vectors at all as long as we have some measure of similarity. Can you give an example?bob chose to give Tina gift. bob has as of now purchased a cluster an of length n yet, giving a cluster is excessively normal. Rather than that, he chose to gift Mila the portions of that cluster! bob needs his gift to be wonderful, so he chose to pick k non-covering sections of the exhibit [1,r1], [12,r2], ... [Ik,rk] to such an extent that: the length of the primary fragment [1,r1] is k, the length of the second portion [12,r2] is k-1, . , the length of the k-th section [Ik,rk] is 1 for each iSEE MORE QUESTIONS