[mlpack-git] [mlpack] Mean shift clustering (#388)

Shangtong Zhang notifications at github.com
Tue Jan 27 09:35:18 EST 2015


> +  BOOST_REQUIRE_NE(firstClass, secondClass);
> +  
> +  for (size_t i = 13; i < 20; i++)
> +    BOOST_REQUIRE_EQUAL(assignments(i), secondClass);
> +  
> +  size_t thirdClass = assignments(20);
> +  
> +  // To ensure that this is the third class which we haven't seen yet.
> +  BOOST_REQUIRE_NE(firstClass, thirdClass);
> +  BOOST_REQUIRE_NE(secondClass, thirdClass);
> +  
> +  for (size_t i = 20; i < 30; i++)
> +    BOOST_REQUIRE_EQUAL(assignments(i), thirdClass);
> +  
> +}
> +

Two points may converge to one same centroid, so even duplicate thresh is set to 0, the number of  clusters may be still less than dataset.n_cols.

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Reply to this email directly or view it on GitHub:
https://github.com/mlpack/mlpack/pull/388/files#r23611075
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