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Diffstat (limited to '')
-rw-r--r-- | libnetdata/statistical/statistical.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libnetdata/statistical/statistical.h b/libnetdata/statistical/statistical.h new file mode 100644 index 00000000..f3ecfadb --- /dev/null +++ b/libnetdata/statistical/statistical.h @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_STATISTICAL_H +#define NETDATA_STATISTICAL_H 1 + +#include "../libnetdata.h" + +void log_series_to_stderr(NETDATA_DOUBLE *series, size_t entries, NETDATA_DOUBLE result, const char *msg); + +NETDATA_DOUBLE average(const NETDATA_DOUBLE *series, size_t entries); +NETDATA_DOUBLE moving_average(const NETDATA_DOUBLE *series, size_t entries, size_t period); +NETDATA_DOUBLE median(const NETDATA_DOUBLE *series, size_t entries); +NETDATA_DOUBLE moving_median(const NETDATA_DOUBLE *series, size_t entries, size_t period); +NETDATA_DOUBLE running_median_estimate(const NETDATA_DOUBLE *series, size_t entries); +NETDATA_DOUBLE standard_deviation(const NETDATA_DOUBLE *series, size_t entries); +NETDATA_DOUBLE single_exponential_smoothing(const NETDATA_DOUBLE *series, size_t entries, NETDATA_DOUBLE alpha); +extern NETDATA_DOUBLE +single_exponential_smoothing_reverse(const NETDATA_DOUBLE *series, size_t entries, NETDATA_DOUBLE alpha); +NETDATA_DOUBLE double_exponential_smoothing(const NETDATA_DOUBLE *series, size_t entries, + NETDATA_DOUBLE alpha, + NETDATA_DOUBLE beta, + NETDATA_DOUBLE *forecast); +NETDATA_DOUBLE holtwinters(const NETDATA_DOUBLE *series, size_t entries, + NETDATA_DOUBLE alpha, + NETDATA_DOUBLE beta, + NETDATA_DOUBLE gamma, + NETDATA_DOUBLE *forecast); +NETDATA_DOUBLE sum_and_count(const NETDATA_DOUBLE *series, size_t entries, size_t *count); +NETDATA_DOUBLE sum(const NETDATA_DOUBLE *series, size_t entries); +NETDATA_DOUBLE median_on_sorted_series(const NETDATA_DOUBLE *series, size_t entries); +NETDATA_DOUBLE *copy_series(const NETDATA_DOUBLE *series, size_t entries); +void sort_series(NETDATA_DOUBLE *series, size_t entries); + +#endif //NETDATA_STATISTICAL_H |