👉 The term "metaperiodic" is used in the context of time series analysis and econometrics to describe a data set that exhibits periodic behavior or oscillations. These types of patterns are often associated with time-series models, such as ARIMA (AutoRegressive Integrated Moving Average) or MA(12), which can be useful for forecasting future values based on past observations. In essence, a metaperiodic data series is one where the values repeat at regular intervals, typically every
