Module: ArrayHelpers

Defined in:
lib/nswtopo/helpers/array.rb

Instance Method Summary collapse

Instance Method Details

#in_twoObject



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# File 'lib/nswtopo/helpers/array.rb', line 14

def in_two
  each_slice(1 + [length - 1, 0].max / 2)
end

#many?Boolean

Returns:

  • (Boolean)


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# File 'lib/nswtopo/helpers/array.rb', line 10

def many?
  length > 1
end

#meanObject



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# File 'lib/nswtopo/helpers/array.rb', line 6

def mean
  empty? ? nil : inject(&:+) / length
end

#medianObject



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# File 'lib/nswtopo/helpers/array.rb', line 2

def median
  sort[length / 2]
end