util

func CalculateLogReturns ¶ added in v0.1.14

func CalculateLogReturns(prices []float64) []float64

CalculateLogReturns calculates the logarithmic returns from a series of prices

func CalculateVolatility ¶ added in v0.1.14

func CalculateVolatility(returns []float64, window int) float64

CalculateVolatility calculates the standard deviation of returns for a given window

func IsNil ¶ added in v0.1.22

func IsNil(i interface{}) bool

IsNil checks whether the provided interface is nil. It correctly handles typed nils for pointers, slices, maps, channels, functions, and interfaces.

func LogExecutionTime ¶

func LogExecutionTime(start time.Time, name string, fields interface{}, logger *zerolog.Logger)

func Revision ¶ added in v0.1.6

func Revision() string

Revision retrieves the VCS revision from build info. Available only if the build was done with -buildvcs flag.