staircase.Stairs.quantiles#

Stairs.quantiles(q)#

Returns an array of q-quantiles.

Quantiles are cut points which divide a distribution into continuous intervals with equal probabilities. The 2-quantile is more commonly known as the median. The 4-quantiles are more commonly known as quartiles. The 100-quantiles are more commonly known as percentiles.

Parameters

qint

Returns

numpy.ndarray of floats

See also

Stairs.percentile, Stairs.fractile

Examples

>>> sf = sc.Stairs().layer([0,1,2,3,4], [6,7,8,9,10])
>>> fig, axes = plt.subplots(ncols=2, figsize=(7,3))
>>> sf.plot(axes[0])
>>> axes[0].set_title("sf")
>>> sf.fractile.plot(axes[1])
>>> axes[1].set_title("fractile function")

../../_images/staircase-Stairs-quantiles-1.png

>>> sf.quantiles(4)
array([2., 3., 4.])

staircase.Stairs.fractile

staircase.Stairs.ecdf