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NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

Covars

Syntax: covars=list
The list can either be a list of column numbers or variable names and must be seperated by a comma with no white space.

Examples:
covars=age,sex

covars=5,6,7,9,11

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