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pandas.Series.quantile

Series.quantile(q=0.5, interpolation='linear')[source]

Return value at the given quantile.

Parameters:

q : float or array-like, default 0.5 (50% quantile)

0 <= q <= 1, the quantile(s) to compute

interpolation : {‘linear’, ‘lower’, ‘higher’, ‘midpoint’, ‘nearest’}

New in version 0.18.0.

This optional parameter specifies the interpolation method to use, when the desired quantile lies between two data points i and j:

  • linear: i + (j - i) * fraction, where fraction is the fractional part of the index surrounded by i and j.
  • lower: i.
  • higher: j.
  • nearest: i or j whichever is nearest.
  • midpoint: (i + j) / 2.
Returns:

quantile : float or Series

if q is an array, a Series will be returned where the index is q and the values are the quantiles.

Examples

>>> s = Series([1, 2, 3, 4])
>>> s.quantile(.5)
2.5
>>> s.quantile([.25, .5, .75])
0.25    1.75
0.50    2.50
0.75    3.25
dtype: float64
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