math

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v0.9.3 Latest Latest Go to latest Published: Dec 16, 2025 License: Apache-2.0 Imports: 1 Imported by: 0

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github.com/xataio/pgstream

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Documentation ¶

Index ¶

func Average(values []float64) float64
func CoefficientOfVariation(values []float64) float64
func Median(min, max int64) int64
func Percentile(values []float64, percentile float64) float64
func StandardDeviation(values []float64) float64

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Average ¶

func Average(values []float64) float64

Average calculates the average of a slice of float64 values.

func CoefficientOfVariation ¶

func CoefficientOfVariation(values []float64) float64

CoefficientOfVariation calculates the coefficient of variation (CV) which is the ratio of standard deviation to mean. CV is a normalized measure of dispersion that is useful for comparing variability across different scales. Uses sample standard deviation (dividing by n-1). Returns NaN when the mean is zero, as CV is mathematically undefined in this case.

func Median ¶

func Median(min, max int64) int64

Median calculates the median value between min and max.

func Percentile ¶

func Percentile(values []float64, percentile float64) float64

Percentile calculates the given percentile of a slice of float64 values.

func StandardDeviation ¶

func StandardDeviation(values []float64) float64

StandardDeviation calculates the sample standard deviation of a slice of float64 values using Bessel's correction (dividing by n-1).

Types ¶

This section is empty.

Source Files ¶

View all Source files

math.go

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