// StandardDeviation returns the standard deviation of all values recorded so far.
StandardDeviation returns the standard deviation of all values recorded so far.
// StandardDeviation returns the standard deviation of all values recorded so far .
func (h *PCPHistogram) StandardDeviation() float64 {
	h.mutex.RLock()
	defer h.mutex.RUnlock()
	return h.vals["standard_deviation"].val.(float64)
}
func ( h * PCPHistogram ) StandardDeviation ( ) float64 { h . mutex . RLock ( ) defer h . mutex . RUnlock ( ) return h . vals [ " " ] . val . ( float64 ) }
StandardDeviation returns the standard deviation of all values recorded so far.
StandardDeviation returns the standard deviation of all values recorded so far .