Consistent column naming and data types in data files

[itlackey]

• Capitalization should be consistent within and across data files.
• Yes/No columns should be converted to bit fields using 1/0 to make ETL to this schema more standardized.
• Gender, Race and Mortality status values should conform to a known coding system or should be provided
• Missing information should be handled consistently. ie. Mortality status using blank and gender uses unknown