Trend analysis involves the examination of patterns and changes in data over time to identify recurring tendencies or emerging shifts. It is commonly used in various fields such as finance, marketing, and economics to make informed decisions and predictions based on past trends. Trend analysis can help to uncover underlying behavioral patterns, predict future outcomes, and inform strategic planning. It involves analyzing historical data, identifying patterns or trends, and forecasting future trends based on those patterns. Trend analysis is often used in conjunction with other analytical methods to provide a comprehensive understanding of data and its implications.