Procs

proc median_low(data: seq[int]): int {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc median_low(data: seq[float]): float {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc median_high(data: seq[int]): int {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc median_high(data: seq[float]): float {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc mode(sequence: seq[int]): int {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc mode(sequence: seq[char]): char {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc mode(sequence: seq[bool]): bool {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc mode(sequence: seq[float]): float {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc mode(sequence: seq[string]): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc multimode(sequence: seq[int]): int {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc multimode(sequence: seq[char]): char {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc multimode(sequence: seq[bool]): bool {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc multimode(sequence: seq[float]): float {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc multimode(sequence: seq[string]): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc mean(data: seq[int] or seq[float]): float

proc fmean(data: seq[int] or seq[float]): float

proc median(data: seq[int] or seq[float]): float

proc pstdev(data: seq[int] or seq[float]): float

proc pvariance(data: seq[int] or seq[float]): float

proc stdev(data: seq[int] or seq[float]): float

proc variance(data: seq[int] or seq[float]): float

proc quantiles(data: seq[int] or seq[float]): float

proc covariance(data: seq[int] or seq[float]): float

proc correlation(data: seq[int] or seq[float]): float

proc geometric_mean(data: seq[int] or seq[float]): float

proc harmonic_mean(data: seq[int] or seq[float]): float

proc linear_regression(data: seq[int] or seq[float]): tuple[
    slope, intercept: float]

proc median_grouped(data: seq[int] or seq[float]; interval = 1): float

proc harmonic_mean(data: seq[int] or seq[float]; weights: seq[int]): float