histogram.ewmaMean

• 类型：<number>

记录值的指数加权移动平均。只有当直方图使用大于 0 的 halfLife 选项创建时才会生效。当 EWMA 被禁用或没有记录任何值时，返回 0。

🌐 The exponentially weighted moving average of recorded values. Only active when the histogram was created with a halfLife option greater than 0. Returns 0 when EWMA is disabled or no values have been recorded.