Time series data, also called time-stamped data, is data that is observed sequentially over time and that is indexed by time. Time series data is all around us. Because all events exist in time, we are in constant contact with an immense variety of time series data.
Time series data is used for tracking everything from weather, birth rates, disease rates, heart rates, and market indexes to server, application, and network performance. Analysis of time series data plays an important role in disciplines as varied as meteorology, geology, finance, social sciences, physical sciences, epidemiology, and manufacturing. Monitoring, forecasting, and anomaly