Function reference • sdtmval

Dates

Manipulate full and partial dates

impute_pdates(): Impute start or end dates

reshape_adates(): Reshape format of all dates (full and partial)

reshape_pdates(): Reshape format of partial dates

trim_dates(): Trim unknown elements in partial dates

Format

Format data

format_chars_and_dates(): Format date and character columns for SDTM tables

trim_and_make_blanks_NA(): Trim white space and make blanks NA

Methods

Create SDTM variables using common methods

assign_SEQ(): Assign SEQ numbers for a SDTM data set

calc_DY(): Calculate a DY variable (day of study)

create_BLFL(): Create a BLFL column

create_EPOCH(): Create the EPOCH variable

create_STAT(): Assign STAT 'NOT DONE' status

Read

Import data

read_edc_tbls(): Import EDC data tables

read_sdtm_tbls(): Import SDTM data tables

Specification data

Retrieve and apply specification data from a .xlsx file

assign_meta_data(): Assign meta data to columns in a SDTM table based on specification file

get_codelist(): Read in the code list from the specification for a specific domain

get_data_spec(): Read in the variable specification sheet for a SDTM data set

get_key_vars(): Read in the key variables for a SDTM domain

Write

Write SAS transport files and archive code

convert_to_script(): Convert SDTM QC code from a .Rmd file to .R script

write_sessionInfo(): Write R session information for a script to a .txt file

write_tbl_to_xpt(): Write a SAS transport file (.xpt)

Example Data

Data used for examples and testing

dm: Example SDTM Domain 'DM'

edc_xx: Example EDC data for form/table 'XX'

spec_codelists: Example 'Codelists' tab from a SDTM specification .xlsx file

spec_datasets: Example 'Datasets' tab from a SDTM specification .xlsx file

spec_XX: Example domain specific tab from a SDTM specification .xlsx file

vd: Example EDC data for form/table 'VD'

xx_no_meta_data: Example SDTM domain table XX without meta data