John A. Bartels

John A. Bartels is an American mathematician and statistician known for his work in time series analysis and spectral analysis, which involves studying patterns and frequencies within data over time. His research helps in understanding complex data sets in fields like economics, engineering, and environmental science. Bartels has contributed to developing mathematical techniques for identifying underlying periodicities and trends, aiding in accurate forecasting and decision-making. His work provides foundational tools for analyzing data where components change over periods, helping researchers and analysts interpret real-world phenomena more effectively.