format
The format is:
List of 4
$ wna :'data.frame': 500 obs. of 8 variables:
..$ x1: num [1:500] 10.87 9.53 7.83 8.53 8.67 ...
..$ x2: num [1:500] 10.9 9.32 7.68 8.2 8.41 ...
..$ c1: Factor w/ 4 levels "a","b","c","d": 3 2 2 1 2 2 1 3 3 2 ...
..$ c2: Factor w/ 4 levels "a","b","c","d": 2 3 2 2 2 2 2 4 2 2 ...
..$ b1: Factor w/ 2 levels "0","1": 2 2 1 2 1 2 1 2 1 1 ...
..$ b2: Factor w/ 2 levels "0","1": 2 2 1 1 1 1 1 2 2 2 ...
..$ m1: num [1:500] 0 8.29 9.08 0 0 ...
..$ m2: num [1:500] 10.66 9.39 7.8 8.11 7.33 ...
$ wona :'data.frame': 500 obs. of 8 variables:
..$ x1: num [1:500] 10.87 9.53 7.83 8.53 8.67 ...
..$ x2: num [1:500] 10.9 9.32 7.68 8.2 8.41 ...
..$ c1: Factor w/ 4 levels "a","b","c","d": 3 2 2 1 2 2 1 3 3 2 ...
..$ c2: Factor w/ 4 levels "a","b","c","d": 2 3 2 2 2 2 2 4 2 2 ...
..$ b1: Factor w/ 2 levels "0","1": 2 2 1 2 1 2 1 2 1 1 ...
..$ b2: Factor w/ 2 levels "0","1": 2 2 1 1 1 1 1 2 2 2 ...
..$ m1: num [1:500] 0 8.29 9.08 0 0 ...
..$ m2: num [1:500] 10.66 9.39 7.8 8.11 7.33 ...
$ mixed : chr [1:2] "m1" "m2"
$ outlierInd: NULL