Author Archives: admin

When we say that a neighborhood ranks a 3 or a 47 or a 91 on a scale of 1 to 100, we tend to treat that as an exact quantity. There are no exact quantities in science, of course, and a client challenged me to figure out what the uncertainty was around a socioeconomicContinue reading “The margin of error around the Yost Index”

Along with Rocky Feuer, Joshua Sampson, Li Zhu, Trevor Thompson and Joe Zhou, Francis Boscoe of Pumphandle, LLC was recently awarded the Constance L. Percy Award for Distinguished Service from the North American Association of Central Cancer Registries for his contributions to an expert panel on measuring cancer registry completeness.

The home office location of Pumphandle is moving 80 miles up the Maine coast to Camden, which among other things will allow me to be in close proximity to my son’s recently-opened art gallery, Topo Gallery.

On the Yost Index page elsewhere on this site, you may now find national Yost Indexes at the census tract and block group levels for 1990, 2000, 2009-2013 and 2014-2018. The first two were derived from the decennial censuses while the last two were derived from the American Community Survey. Note that the 1990 andContinue reading “A few minor updates to the Yost Index”

Today’s post covers some work I did a few years ago to visualize the diffusion of digital mammography in New York State. I obtained Medicare claims data that let me distinguish between mammography types based on billing codes. I then divided the state into small grid cells and used a spatial filtering approach to findContinue reading “Visualizing the diffusion of digital mammography”