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SortedArrayStatisticsQuantile(Single, Double) Method

Estimates the tau-th quantile from the sorted data array (ascending). The tau-th quantile is the data value where the cumulative distribution function crosses tau. Approximately median-unbiased regardless of the sample distribution (R8).

Namespace: Altaxo.Calc.Statistics
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3572.0 (4.8.3572.0)
Syntax
C#
Copy
public static float Quantile(
	float[] data,
	double tau
)

Parameters

data  Single
Sample array, must be sorted ascendingly.
tau  Double
Quantile selector, between 0.0 and 1.0 (inclusive).

Return Value

Single
The quantile value corresponding to tau, or NaN if the input is invalid.
Remarks
R-8, SciPy-(1/3,1/3): Linear interpolation of the approximate medians for order statistics. When tau < (2/3) / (N + 1/3), use x1. When tau >= (N - 1/3) / (N + 1/3), use xN.
See Also