Module: DTW::Metrics

Defined in:
lib/dtwrb/metrics.rb,
sig/dtwrb.rbs

Defined Under Namespace

Modules: Chebyshev, Cosine, Euclidean, Manhattan

Constant Summary collapse

REGISTRY =

Returns:

{
  euclidean: Euclidean,
  manhattan: Manhattan,
  chebyshev: Chebyshev,
  cosine: Cosine
}.freeze
DEFAULT =

Returns:

Euclidean

Class Method Summary collapse

Class Method Details

.assert_conformable!(left, right) ⇒ void

This method returns an undefined value.

Parameters:

  • (frame)
  • (frame)

Raises:



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# File 'lib/dtwrb/metrics.rb', line 7

def assert_conformable!(left, right)
  return if left.length == right.length

  raise(
    DimensionMismatchError,
    "local distance requires equal dimensions, got #{left.length} and #{right.length}"
  )
end

.resolve(metric) ⇒ _Metric

Parameters:

  • (metric)

Returns:



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# File 'lib/dtwrb/metrics.rb', line 94

def resolve(metric) = Resolver.call(metric, REGISTRY, "metric")