Reference · Statistics

stats.median_low

stats.median_low(list) -> num

What it does

The low median of a list of numbers: always one of the data points. With an odd count it is the middle value; with an even count it is the lower of the two middle values, where stats.median would average them. An int list gives an int.

Examples

print(stats.median_low([1, 2, 3, 4]), stats.median_low([1, 3, 2]))print(stats.median_low([1, 2, 4, 4]))

2 22

Edge cases

• One number gives that number.
• The answer is a float only when the list holds a float.
• A list need not be sorted.

print(stats.median_low([7]), stats.median_low([1.0, 2, 3, 4]), stats.median_low([10, 2, 8, 4]))

7 2.0 4

Errors

No data is a runtime error, not an error value: an empty list or null stops the request. So does an item that is not a number.

print(stats.median_low([]))

line 1: `stats.median_low` requires at least one data point

Chaining

let sizes = [8, 2, 4, 6]print(sizes | stats.median_low, sizes | stats.median_high, sizes | stats.median)

4 6 5.0

See also

stats.median, stats.median_high, stats.percentile

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