Reads the metadata about an IPUMS extract from a DDI file into R. Includes information about variable and value labels, terms of usage for the data and positions for the fixed-width file.
read_ipums_ddi(ddi_file, data_layer = NULL, lower_vars = FALSE)
ddi_file | Filepath to DDI xml file |
---|---|
data_layer | If ddi_file is an extract with multiple DDIs, dplyr
|
lower_vars | Logical indicating whether to convert variable names to lowercase (default is FALSE, in line with IPUMS conventions) |
An ipums_ddi
object with metadata information.
Other ipums_metadata:
read_ipums_codebook()
# Example extract DDI ddi_file <- ipums_example("cps_00006.xml") ddi <- read_ipums_ddi(ddi_file)