c6-missing-not-at-random {ctfepi}sealed case file

Missing Not at Random?

Case C6, The Empty ColumnsMissing Datascene 1easy100 pts

Case

A third of the ejection fraction values are missing from the records, and not at random.

What this scene will ask

A dataset with missing outcomes.

Planned flag: the variable most strongly associated with missingness (largest standardized difference between missing and observed rows); complete case mean, 2 dp; proportion missing, 3 dp.

Status

[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.