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Mean should return undefined when array is empty #12

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Odonno opened this issue Aug 22, 2019 · 0 comments
Open

Mean should return undefined when array is empty #12

Odonno opened this issue Aug 22, 2019 · 0 comments

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@Odonno
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Odonno commented Aug 22, 2019

Indead, I suppose that when mean is used with an empty array, it divides by 0 and so it returns NaN. I think it would be more appropriate to return undefined when we cannot execute the calculation.
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@Odonno