package util
Utility functions.
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- lazy val logger: Logger
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- @transient()
- def pdist(data: Array[Array[Double]], half: Boolean = true): Array[Array[Double]]
Returns the pairwise Euclidean distance matrix.
Returns the pairwise Euclidean distance matrix.
- data
the data set.
- half
if true, only the lower half of matrix is allocated to save space.
- returns
the lower half of proximity matrix.
- def proximity[T](data: Array[T], dist: Distance[T], half: Boolean = true): Array[Array[Double]]
Returns the proximity matrix of a dataset for given distance function.
Returns the proximity matrix of a dataset for given distance function.
- data
the data set.
- dist
the distance function.
- half
if true, only the lower half of matrix is allocated to save space.
- returns
the lower half of proximity matrix.
- implicit def toJavaBiFunction[T, U, R](f: (T, U) => R): BiFunction[T, U, R]
Wraps Scala lambda as Java's.
- implicit def toJavaFunction[T, R](f: (T) => R): Function[T, R]
Wraps Scala lambda as Java's.
- object time
Measure running time of a function/block
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