Longitudinal data refers to information gathered over a period of time from the same subjects or areas. It allows geographers to track changes and patterns in settlement over time rather than just at one point in time.
Related terms
Cross-sectional data: Data collected at a specific point in time, providing a snapshot of settlement patterns.
Time series analysis: A statistical method that examines trends and patterns in data over consecutive periods of time.
Demographics: The study of human populations, including factors such as age, gender, race, and income.