by Elyse Menger | Mar 21, 2024 | Covid-19 and Data, Demographics, Methodology
Demographic change is generally slow moving, except in times of crisis. This is especially true at the national level but is also often true of small areas. Change is generally best considered as two separate components: Gradual change, such as the impacts of...
by Gary Menger | Oct 13, 2022 | Methodology
One of the more persistent issues in geospatial analysis is that of consistency in time series analysis. We can’t help but want to compare the growth of one city against another over time. Time is the easy part – a year today is the same as a year in millennia past,...
by Gary Menger | Feb 17, 2022 | Maps, Methodology, Why AGS
The ZIP code is commonly used in business applications for two primary reasons – they are well recognized and utilized as the core geographic identifier in a wide range of both postal and non-postal sources. Because they are created by the post office for the purpose...
by Gary Menger | Jan 27, 2022 | Methodology, Why AGS
Some years ago, a new player in the demographic forecasting world came onto the scene with two key points of differentiation. First, their estimates were released quarterly which somehow suggests improved accuracy. Second, their estimates are based primarily on what...
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