The Trouble with 'Ntile()'

Automated excerpt

Instead they are arranged in a fashion that makes it easy for the analyst to understand: rows are ordered by study_id, then by dose_mg, and then by subject_id: 1 1 S01 1 SAD dose-escalation S01-001 M 10 88. 5 1. 87 0. 265 16. 8 2 2 S01 1 SAD dose-escalation S01-002 M 10 82. 3 1. 71 0. 262 29. 1 3 3 S01 1 SAD dose-escalation S01-003 M 10 117 1. 21 0. 129 16. 9 4 4 S01 1 SAD dose-escalation S01-004 M 10 85. 7 0. 871 0. 0828 19.

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