read_ipums_codebook: Read metadata from a text codebook in a NHGIS or Terra area-level extract
Description
Read text formatted codebooks provided by some IPUMS extract systems such as
NHGIS and Terra Area-level extracts in a format analogous to the DDIs
available for other projects.
Usage
read_ipums_codebook(cb_file, data_layer = NULL)
Value
A ipums_ddi object with information on the variables included in the
csv file of a NHGIS extract.
Arguments
cb_file
Filepath to the codebook (either the .zip file directly downloaded
from the website, or the path to the unzipped .txt file).
data_layer
dplyr select-style notation for uniquely
identifying the data layer to load. Required for reading from .zip files
for extracts with multiple files.