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How do I determine k when using k-means clustering?
...imation of the number of clusters" by Dan Pelleg and Andrew Moore in ICML 2000.
Another approach is to start with a large value for k and keep removing centroids (reducing k) until it no longer reduces the description length. See "MDL principle for robust vector quantisation" by Horst Bischof, Ale...
What is an “unwrapped value” in Swift?
I'm learning Swift for iOS 8 / OSX 10.10 by following this tutorial , and the term " unwrapped value " is used several times, as in this paragraph (under Objects and Class ):
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Convert from enum ordinal to enum type
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edited May 23 '17 at 10:31
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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
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Source: MSDN
IsNullOrWhiteSpace is a convenience method that is similar to the
following...
Is the primary key automatically indexed in MySQL?
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edited Dec 3 '11 at 20:41
answered Jul 1 '09 at 20:24
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Cannot delete directory with Directory.Delete(path, true)
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How do I configure Maven for offline development?
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edited Jun 10 '14 at 19:51
answered Aug 29 '11 at 17:46
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Can “git pull --all” update all my local branches?
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answered Nov 30 '10 at 20:24
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Ukkonen's suffix tree algorithm in plain English
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Measure the time it takes to execute a t-sql query
I have two t-sql queries using SqlServer 2005. How can I measure how long it takes for each one to run?
6 Answers
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