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Tools to convert OpenClinica Extracts to CSV, R and SAS
Attached are XML transformation files (and powershell command scripts) for converting OpenClinica extracts into CSV, R (dataframes) and SAS (XML library; i.e. a SAS xml data file with a SAS mapping file). Code list lookups are also included for R (column duplicated as a factor with the lookup value) and SAS (using FORMAT commands after copying the XML library into the WORK library).
The transformations work by creating a “table” per itemgroup. Prior to performing the transformations we dynamically create a lookup xsl template specific for the study that is used to map itemgroup IDs into more friendly table names (the code for this is not attached; an example of the output is, see xml_convert_dynamic_lookup.xsl).
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OC_XML_to_SAS_R_CSV.zip 9.6 KB