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Here's a problem that trips up even experienced analysts: you build a model using geographic data, the statistics look solid, and then your predictions fall apart in the real world. Often, the culprit is something hiding in plain sight: spatial autocorrelation....
“From now on, space by itself and time by itself are doomed to fade away into mere shadows, and only a kind of union of the two will preserve an independent reality.” — Hermann Minkowski, 1908 More than a century after Minkowski made this observation, his insight...
Temporal trends are central in many fields—from epidemiology, economics, policy to environmental science. Being able to track how a variable changes over time, and link that change back to space or other covariates, is powerful. In BioMedware’s Vesta software, time...
When analyzing datasets that evolve across time and geography—disease outbreaks, environmental changes, demographic shifts—most researchers face a fundamental limitation: their tools force them to choose between temporal analysis or spatial analysis, but not both...
Every time you check your weather app, navigate with GPS, or track a package on its journey to your doorstep, you’re using the power of Geographic Information Systems (GIS). While most people interact with GIS daily without even realizing it, this behind-the-scenes...
Vesta Workshop May 31-June 1, 2025 We are excited to announce the upcoming workshop, "Introduction to Geospatial Temporal Analysis with Vesta," scheduled for May 31 to June 1, 2025, at the Connecticut Convention Center in Hartford, CT. This two-day event precedes the...
In “Sand County Almanac” Aldo Leopold recounts a story of restoration of an aged Wisconsin farm, played out and abandoned, the land worn, furrowed, and unproductive. Over the years, Aldo was able to restore the soil, the landscape and the habitat, turning back the...
A major problem in the geospatial analysis of health events is identifying “true” excesses in health outcomes and disease risk. Most cancers, for example, occur at a “background” rate, often due to the underlying DNA mutation rate. This background mutation rate is...
Louisiana State University Shreveport (LSUS) and BioMedware are pleased to announce a workshop providing FREE in-person training on BioMedware software for GIS data. The software is used for the visualization, analysis, modeling, and interactive exploration of...
There is a certain amount of false information regarding how infectious the Ebola virus is, see, for example, some of the statements by certain Congressman. Mathematical epidemiologists use something called "R naught", the basic reproductive number, to quantify how...
