/usr/include/descriptivestatistics.h is in libalglib-dev 2.6.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) 2007, Sergey Bochkanov (ALGLIB project).
>>> SOURCE LICENSE >>>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation (www.fsf.org); either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
A copy of the GNU General Public License is available at
http://www.fsf.org/licensing/licenses
>>> END OF LICENSE >>>
*************************************************************************/
#ifndef _descriptivestatistics_h
#define _descriptivestatistics_h
#include "ap.h"
#include "ialglib.h"
/*************************************************************************
Calculation of the distribution moments: mean, variance, slewness, kurtosis.
Input parameters:
X - sample. Array with whose indexes range within [0..N-1]
N - sample size.
Output parameters:
Mean - mean.
Variance- variance.
Skewness- skewness (if variance<>0; zero otherwise).
Kurtosis- kurtosis (if variance<>0; zero otherwise).
-- ALGLIB --
Copyright 06.09.2006 by Bochkanov Sergey
*************************************************************************/
void calculatemoments(const ap::real_1d_array& x,
int n,
double& mean,
double& variance,
double& skewness,
double& kurtosis);
/*************************************************************************
ADev
Input parameters:
X - sample (array indexes: [0..N-1])
N - sample size
Output parameters:
ADev- ADev
-- ALGLIB --
Copyright 06.09.2006 by Bochkanov Sergey
*************************************************************************/
void calculateadev(const ap::real_1d_array& x, int n, double& adev);
/*************************************************************************
Median calculation.
Input parameters:
X - sample (array indexes: [0..N-1])
N - sample size
Output parameters:
Median
-- ALGLIB --
Copyright 06.09.2006 by Bochkanov Sergey
*************************************************************************/
void calculatemedian(ap::real_1d_array x, int n, double& median);
/*************************************************************************
Percentile calculation.
Input parameters:
X - sample (array indexes: [0..N-1])
N - sample size, N>1
P - percentile (0<=P<=1)
Output parameters:
V - percentile
-- ALGLIB --
Copyright 01.03.2008 by Bochkanov Sergey
*************************************************************************/
void calculatepercentile(ap::real_1d_array x, int n, double p, double& v);
#endif
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