/****************************************************************/ /* S A S S A M P L E L I B R A R Y */ /* */ /* NAME: MIEX2 */ /* TITLE: Documentation Example 2 for PROC MI */ /* PRODUCT: STAT */ /* SYSTEM: ALL */ /* KEYS: multiple imputation */ /* PROCS: MI */ /* DATA: */ /* */ /* SUPPORT: Yang Yuan UPDATE: Aug 21, 2007 */ /* REF: PROC MI, EXAMPLE 2 */ /* MISC: */ /****************************************************************/ *-----------------------------Fish1 Data-----------------------------* | The data set contains one species of the fish (Bream) and | | three measurements: Length1, Length2, Length3. | | Some values have been set to missing, and the resulting data set | | has a monotone missing pattern in the variables | | Length1, Length2, and Length3. | *--------------------------------------------------------------------*; data Fish1; title 'Fish Measurement Data'; input Length1 Length2 Length3 @@; datalines; 23.2 25.4 30.0 24.0 26.3 31.2 23.9 26.5 31.1 26.3 29.0 33.5 26.5 29.0 . 26.8 29.7 34.7 26.8 . . 27.6 30.0 35.0 27.6 30.0 35.1 28.5 30.7 36.2 28.4 31.0 36.2 28.7 . . 29.1 31.5 . 29.5 32.0 37.3 29.4 32.0 37.2 29.4 32.0 37.2 30.4 33.0 38.3 30.4 33.0 38.5 30.9 33.5 38.6 31.0 33.5 38.7 31.3 34.0 39.5 31.4 34.0 39.2 31.5 34.5 . 31.8 35.0 40.6 31.9 35.0 40.5 31.8 35.0 40.9 32.0 35.0 40.6 32.7 36.0 41.5 32.8 36.0 41.6 33.5 37.0 42.6 35.0 38.5 44.1 35.0 38.5 44.0 36.2 39.5 45.3 37.4 41.0 45.9 38.0 41.0 46.5 ; proc mi data=Fish1 seed=899603 out=outex2; monotone propensity; var Length1 Length2 Length3; run; proc print data=outex2(obs=10); title 'First 10 Observations of the Imputed Data Set'; run;