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Day 8: Numeric Functions — SAS vs R

Round, transform and sum numbers so SAS and R outputs match

Test your SAS and R numeric functions on study ABC-101 data: INT, CEIL, FLOOR, ROUND units vs decimals, the exact-half rounding trap, ABS, SQRT, LOG on lab data, MOD vs %%, missing values in SUM vs sum(), row-wise totals on QS and LAG for change from previous visit.