Method: Charty::VectorAdapters::NArrayAdapter#stdev

Defined in:
lib/charty/vector_adapters/narray_adapter.rb

#stdev(population: false) ⇒ Object 


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# File 'lib/charty/vector_adapters/narray_adapter.rb', line 179

def stdev(population: false)
  s = data.stddev(nan: true)
  if population
    # Numo::NArray does not support population standard deviation
    n = data.isnan.sum
    s * (n - 1) / n
  else
    s
  end
end