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https://github.com/kennethreitz/tablib.git
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Norman Hooper
25 lines
540 B
Python
25 lines
540 B
Python
from __future__ import division
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def median(data):
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"""
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Return the median (middle value) of numeric data, using the common
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"mean of middle two" method. If data is empty, ValueError is raised.
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Mimics the behaviour of Python3's statistics.median
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>>> median([1, 3, 5])
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3
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>>> median([1, 3, 5, 7])
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4.0
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"""
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data = sorted(data)
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n = len(data)
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if not n:
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raise ValueError("No median for empty data")
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i = n // 2
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if n % 2:
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return data[i]
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return (data[i - 1] + data[i]) / 2
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