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mondash/math.go
Knut Ahlers f3c31476b4
Major: Rework frontend, API and improve code quality (#5)
* Update dependencies
* Improve code quality
* Apply linter advices
* Add gzip compression to all requests
* Rework frontend
* Apply bootswatch theme
* Hide historic details when not requested
* Remove debugging header
* Apply auto-migration of meta fields
* Fix broken "last update" time
* Pre-sort metrics for frontend / API
* Add tooltip with absolute time
* Some design fixes
* Add tooltip with absolute date to last ok
* Implement filters
* Apply eslint --fix
* Remove unused var
* Remove remains of old template engine
* Update baked in assets
* Update Dockerfile for new version

Signed-off-by: Knut Ahlers <knut@ahlers.me>
2019-05-25 00:03:06 +02:00

33 lines
539 B
Go

package main
import (
"math"
"sort"
)
func absoluteDeviation(values []float64) []float64 {
medianValue := median(values)
deviation := make([]float64, len(values))
for i := range values {
deviation[i] = math.Abs(values[i] - medianValue)
}
return deviation
}
func median(values []float64) float64 {
sort.Float64s(values)
if len(values) == 1 {
return values[0]
}
// If even, take an average
if len(values)%2 == 0 {
return 0.5*values[len(values)/2] + 0.5*values[len(values)/2-1]
}
return values[len(values)/2-1]
}