Nothing
Code
read_ipums_sf(nhgis_multi_shp, file_select = 4)
Condition
Error in `find_files_in()`:
! Can't select files past the end.
i Location 4 doesn't exist.
i There are only 3 files.
Available files:
* nhgis0712_shape/nhgis0712_shapefile_cenpop2000_us_state_cenpop_2000.zip
* nhgis0712_shape/nhgis0712_shapefile_tl2000_us_pmsa_1990.zip
* nhgis0712_shape/nhgis0712_shapefile_tl2000_us_pmsa_2000.zip
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