README.md

In baf: Block Assignment Files

baf

The goal of baf is to provide lightweight block assignment (and equivalence) files from the US Census Bureau.

Installation

You can install the development version of baf like so:

pak::pak('christopherkenny/baf')

Example

The workhorse function for baf is the baf() function.

library(baf)

baf(state = 'NM', year = 2024, geographies = 'cd')
#> $CD118
#> # A tibble: 107,215 × 2
#>    GEOID           CDFP 
#>    <chr>           <chr>
#>  1 350010001071000 01   
#>  2 350010001071001 01   
#>  3 350010001071002 01   
#>  4 350010001071003 01   
#>  5 350010001071004 01   
#>  6 350010001071005 01   
#>  7 350010001071006 01   
#>  8 350010001071007 01   
#>  9 350010001071008 01   
#> 10 350010001071009 01   
#> # ℹ 107,205 more rows

Cache

By default, baf loads files to a temporary directory. To retain files across sessions, set the cache_to argument to a directory of your choosing. You can also set options(baf.use_cache = TRUE) to create a user-level cache that can persist across projects.

baf documentation built on Aug. 31, 2025, 5:08 p.m.