`stationarity` Related Article Results

Time series is a sequence of observations of a variable taken at consecutive and regular intervals over time (daily, weekly, monthly, yearly, etc.). In such data, the assumption of independence between observations is generally not valid because observations may be correlated over time. Time series analysis is a set of statistical methods designed to reveal this dependence, model structures that change over time, and make forecasts about the future. Time series are analyzed not only from a stati