35 lines
740 B
Go
35 lines
740 B
Go
package stats
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import "sort"
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// Average returns the average value
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func Average(values []float64) float64 {
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if len(values) == 0 {
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return 0
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}
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var val float64
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for _, point := range values {
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val += point
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}
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return val / float64(len(values))
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}
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// Sum returns the sum of all the given values
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func Sum(values []float64) float64 {
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var val float64
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for _, point := range values {
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val += point
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}
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return val
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}
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// Percentiles returns a map containing the asked for percentiles
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func Percentiles(values []float64, percentiles map[string]float64) map[string]float64 {
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sort.Float64s(values)
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results := map[string]float64{}
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for label, p := range percentiles {
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results[label] = values[int(float64(len(values))*p)]
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}
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return results
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}
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