c6-rubin-s-rules {ctfepi}sealed case file
Rubin's Rules
Case C6, The Empty ColumnsMissing Datascene 2medium200 pts
Case
A third of the ejection fraction values are missing from the records, and not at random.
What this scene will ask
Estimates and variances from 20 supplied imputations.
Planned flag: pooled estimate, 3 dp; total variance, 4 dp; fraction of missing information by the stated formula, 3 dp.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.