35 lines
1.8 KiB
C
35 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#ifndef NETDATA_STATISTICAL_H
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#define NETDATA_STATISTICAL_H 1
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#include "../libnetdata.h"
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extern void log_series_to_stderr(NETDATA_DOUBLE *series, size_t entries, NETDATA_DOUBLE result, const char *msg);
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extern NETDATA_DOUBLE average(const NETDATA_DOUBLE *series, size_t entries);
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extern NETDATA_DOUBLE moving_average(const NETDATA_DOUBLE *series, size_t entries, size_t period);
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extern NETDATA_DOUBLE median(const NETDATA_DOUBLE *series, size_t entries);
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extern NETDATA_DOUBLE moving_median(const NETDATA_DOUBLE *series, size_t entries, size_t period);
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extern NETDATA_DOUBLE running_median_estimate(const NETDATA_DOUBLE *series, size_t entries);
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extern NETDATA_DOUBLE standard_deviation(const NETDATA_DOUBLE *series, size_t entries);
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extern NETDATA_DOUBLE single_exponential_smoothing(const NETDATA_DOUBLE *series, size_t entries, NETDATA_DOUBLE alpha);
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extern NETDATA_DOUBLE
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single_exponential_smoothing_reverse(const NETDATA_DOUBLE *series, size_t entries, NETDATA_DOUBLE alpha);
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extern NETDATA_DOUBLE double_exponential_smoothing(const NETDATA_DOUBLE *series, size_t entries,
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NETDATA_DOUBLE alpha,
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NETDATA_DOUBLE beta,
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NETDATA_DOUBLE *forecast);
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extern NETDATA_DOUBLE holtwinters(const NETDATA_DOUBLE *series, size_t entries,
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NETDATA_DOUBLE alpha,
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NETDATA_DOUBLE beta,
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NETDATA_DOUBLE gamma,
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NETDATA_DOUBLE *forecast);
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extern NETDATA_DOUBLE sum_and_count(const NETDATA_DOUBLE *series, size_t entries, size_t *count);
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extern NETDATA_DOUBLE sum(const NETDATA_DOUBLE *series, size_t entries);
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extern NETDATA_DOUBLE median_on_sorted_series(const NETDATA_DOUBLE *series, size_t entries);
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extern NETDATA_DOUBLE *copy_series(const NETDATA_DOUBLE *series, size_t entries);
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extern void sort_series(NETDATA_DOUBLE *series, size_t entries);
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#endif //NETDATA_STATISTICAL_H
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