lehdr: Grab Longitudinal Employer-Household Dynamics (LEHD) Flat Files

Designed to query Longitudinal Employer-Household Dynamics (LEHD) workplace/residential association and origin-destination flat files and optionally aggregate Census block-level data to block group, tract, county, or state. Also provides analytical functions for commute flow statistics, longitudinal change, and earnings tier distributions. Data comes from the LODES FTP server <https://lehd.ces.census.gov/data/lodes/LODES8/>.

Version:	1.2.0
Depends:	R (≥ 4.1.0)
Imports:	dplyr, glue, httr2, magrittr, readr, rlang, stringr, tidyr
Suggests:	ggplot2, knitr, pkgdown, rmarkdown, sf, testthat (≥ 3.0.0), tigris, withr
Published:	2026-08-22
DOI:	10.32614/CRAN.package.lehdr
Author:	Jamaal Green [cre, aut], Liming Wang [aut], Dillon Mahmoudi [aut], Matthew Rogers [ctb], Kyle Walker [ctb], Eli Pousson [ctb]
Maintainer:	Jamaal Green <jamaal.green at gmail.com>
BugReports:	https://github.com/jamgreen/lehdr/issues/
License:	MIT + file LICENSE
URL:	https://jamgreen.github.io/lehdr/, https://github.com/jamgreen/lehdr/
NeedsCompilation:	no
Language:	en
Citation:	lehdr citation info
Materials:	README
CRAN checks:	lehdr results

Documentation:

Reference manual:	lehdr.html , lehdr.pdf
Vignettes:	Getting Started with lehdr (source, R code)

Downloads:

Package source:	lehdr_1.2.0.tar.gz
Windows binaries:	r-devel: lehdr_1.2.0.zip, r-release: lehdr_1.2.0.zip, r-oldrel: lehdr_1.2.0.zip
macOS binaries:	r-release (arm64): lehdr_1.2.0.tgz, r-oldrel (arm64): lehdr_1.2.0.tgz, r-release (x86_64): lehdr_1.2.0.tgz, r-oldrel (x86_64): lehdr_1.2.0.tgz
Old sources:	lehdr archive

Linking:

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