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Remove redundant slice types from function signatures

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This commit is contained in:
Vladimir Chalupecky
2015-02-10 21:32:08 +09:00
parent d75fe53d95
commit 5ff467937f
2 changed files with 4 additions and 4 deletions
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6
stat.go
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@@ -672,7 +672,7 @@ func Mean(x, weights []float64) float64 {
// Mode returns the most common value in the dataset specified by x and the
// given weights. Strict float64 equality is used when comparing values, so users
// should take caution. If several values are the mode, any of them may be returned.
func Mode(x []float64, weights []float64) (val float64, count float64) {
func Mode(x, weights []float64) (val float64, count float64) {
if weights != nil && len(x) != len(weights) {
panic("stat: slice length mismatch")
}
@@ -877,13 +877,13 @@ func (w weightSorter) Len() int {
}
// StdDev returns the sample standard deviation.
func StdDev(x []float64, weights []float64) float64 {
func StdDev(x, weights []float64) float64 {
_, std := MeanStdDev(x, weights)
return std
}
// MeanStdDev returns the sample mean and standard deviation
func MeanStdDev(x []float64, weights []float64) (mean, std float64) {
func MeanStdDev(x, weights []float64) (mean, std float64) {
mean, variance := MeanVariance(x, weights)
return mean, math.Sqrt(variance)
}