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For the k-means algorithm, it is interesting to note that by choosing the initial cluster centers carefully, we may be able to not only speed up the algorithm's convergence, but also guarantee the quality of the final clustering. The k-means++ algorithm is a variant of k-means, which chooses the initial centers as follows. First, it selects one center uniformly at random from the objects in the data set. Iteratively, for each object p other than the chosen center, it chooses an object as the new center. This object is chosen at random with probability proportional to dist(p) 2 , where dist(p) is the distance from p to the closest center that has already been chosen. The iteration continues until k centers are selected. 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.
Suggest alternatives for menu-driven interface design and explain how these alternatives can be designed to eventually replace all menu-driven interfaces.
For Leader Analysis Paper #1, please submit a 4-5 page (minimum) double-spaced paper that details the following: 1. Who is your leader and what leadership role/s has this person had? 2. What is your interest in this leader? Why do you want to choose ..
(a) Find the values of a and b for which 1-x2 +6x can be expressed in the form a-(x+b)2. Hence, find the roots of f. (b) If f(x) = 1 - x2 + 6x has domain 2 x 7, then what is the range of f?
If applicable, adhere to APA guidelines when creating in-text citations and references. Your assignment should be free of grammatical errors, use complete sentences and give specific details that support your statements.
Assistance in creating an entity relationship design that captures/tracks information of researchers within all universities in a given state. Information of interest includes researcher name, title, position; university name, location, enroll..
You are administrator of the Contoso Corporation. You installed a cluster of computers that need to use the same service account for the Widget application/services. What solution would you use?
What are the three conditions that must be present for deadlock to be possible?
3 to 4 paged ltbrgt ltbrgt1.what is the intent of regulatory compliance and what is the role of it in maintaining
1. Discuss what settings are often changeable via the keyboard on a notebook, such as volume, screen brightness, and Bluetooth and/or Wi-Fi.2. The touchpad device should be the laptop's primary pointing device, but other options are the TrackPoin..
Submit your programs by email. The program should have as many comments as necessary. The top comments should explain how to run and test the program. If any two assignments have the same code, zero marks will be assigned to the assignments.
Suppose a CSMA/CD network is operating at 100Mbps, and suppose there are NO repeaters and the length of the cable is 1.0 km. Determine the minimum frame size if the signal propagation speed is 200 km/ms.
Differentiate between the interaction types and styles that apply to multi-touch screens and applications running on them. Determine the conceptual model that you would use when designing a product for your restaurant.
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