![]() * Defaults to 2020 unless `year` is otherwise specified (up to 2021 is available) * To use tigris, call a function that corresponds to the Census geography you want, optionally by `state` or `county`, when appropriate * No API key necessary - just install the package and start using Census shapefiles in R! * R interface to the US Census Bureau's TIGER/Line shapefile FTP server * Distributed as _shapefiles_, a common GIS data format comprised of several related files * High-quality series of geographic datasets released by the US Census Bureau * TIGER: Topologically Integrated Geographic Encoding and Referencing database # Part 1: Census geographic data and "GIS" in R * Or use the pre-built RStudio Cloud environment at * Other required packages will be picked up as dependencies of these packages Install.packages(c("tidycensus", "tidyverse", "terra", * Packages required for today's workshop: * Hour 3: Interactive mapping and advanced geometry handling * Hour 2: Making maps with 2020 US Census data * Hour 1: Census geographic data and "GIS" in R ![]() * Friday, March 25: a first look at the 2016-2020 American Community Survey data with R and _tidycensus_ * Last week: an introduction to 2020 US Census data To be published in print with CRC Press in fall 2022 * R package developer: _tidycensus_, _tigris_, _mapboxapi_ * Spatial data science researcher and consultant * Associate Professor of Geography at TCU
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