이동평균법1 이동평균법(EMA) 개념 이동평균법 In statistics, a moving average (rolling average or running average) is a calculation to analyze data points by creating series of averages of different subsets of the full data set. The EMA for a series Y may be calculated recursively: {\displaystyle S_{t}={\begin{cases}Y_{1},&t=1\\\alpha \cdot Y_{t}+(1-\alpha )\cdot S_{t-1},&t>1\end{cases}}} Where: 2018. 12. 20. 이전 1 다음