REDCap_attention_check
                        Evaluate a REDCap attention check column
REDCap_codebook_prepare
                        Prepare a REDCap codebook for downstream
                        processing
REDCap_col_labels       Add variable labels from a REDCap codebook
REDCap_coltype_check    Check data column classes against REDCap
                        expectations
REDCap_example_chronotype
                        Example REDCap chronotype data
REDCap_example_sleep    Example REDCap sleep diary data
REDCap_factors          Convert REDCap choice fields to factors
add_label               Add a 'label' attribute to a vector
add_labels              Add labels to selected data frame columns
codebook_strings_to_ignore
                        Codebook strings to ignore, as it contains HTML
                        formatting
extract_labels          Extract labels from a list of objects
flatten_data            Flatten multi-site MeLiDos data into one table
load_data               Load MeLiDos datasets from project repositories
melidos_cities          MeLiDos site cities
melidos_colors          MeLiDos site colors
melidos_coordinates     MeLiDos site coordinates
melidos_countries       MeLiDos site countries
melidos_tzs             MeLiDos site time zones
nighttime_switch        Summarise times across midnight
