hi Jon--
Your posting says their were some big discrepancies or "discontinuities" between 2020 counts versus your expectations coming out of ACS 2019 (or population estimates v2019). Population estimates can be wrong. Decennial census counts can also…
Greetings,
I have select data at the city/place level (not tracts, ZCTAs, etc.), just attribute/variable per city.
I have pulled the places shapefile from tigris and merged the two files and attempted to plot them in R (e.g., using tmap, ggplot2).
However…
This is the general approach I use in Geocorr. You can allocate by area or population, but in practice, I almost never use area.
Here are a couple of tables I just made. One is a list showing (2020) county and (2022) planning region for each block in…
Caution: LTDB uses a simplistic area weighting method to allocate historical tract data to 2010 tracts. For a more accurate alternative, in addition to providing the original 1990 and 2000 census data, NHGIS also provides 1990 and 2000 data for 2010 tracts…
well yeah it does the job but then you find that 500 people are using it as the golden standard written in stone. Production code would check the variable types and ranges and missing values and testthat everything ;).Now that I looked at it again: WKL…
We are pleased to announce the first release of documentation in support of the 2016 ACS 1-year Public Use Microdata Sample (PUMS) Files and 2016 ACS 1-year Supplemental Estimates scheduled for release on Thursday, October 19, 2017. This documentation…
I'm trying to replicate how the ACS calculates their MOEs for Gross Migration and NetMigration from the latest 2013-2017 County-to-County Migration flow data. I followed their guidance/methodology for approximating a MOE for derived estimates but got…
2012-2016 ACS 5-Year Public Use Microdata Sample (PUMS)
We are pleased to announce the release of the 2012-2016 American Community Survey (ACS) 5-year Public Use Microdata Sample (PUMS) files.
The ACS 5-year PUMS files show the full range of population…