When working with trend analysis and time series data, in particular, time series analysis, or TSA for short, is a commonly used statistical approach. The existence of data at specific intervals of time or fixed periods is referred to as time series data.
Time series analysis (TSA) has a broad range of applications and may be applied to a variety of fields. TSA has a significant presence in the following areas:
- Statistics
- Signal processing
- Econometrics
- Weather forecasting
- Earthquake prediction
- Astronomy
- Applied science