Resolves #58 by (1) removing all explicit NA strings from CSV files, (2) modifying read_csv_file so that blank cells (and only blank cells) are coded as NA, and (3) adding a quick test to fd_metadata that checks for missing values.
fd_metadata needs further cleanup, but that's for another PR.
Resolves #58 by (1) removing all explicit
NAstrings from CSV files, (2) modifyingread_csv_fileso that blank cells (and only blank cells) are coded asNA, and (3) adding a quick test tofd_metadatathat checks for missing values.fd_metadataneeds further cleanup, but that's for another PR.