Imagine that over some days, you have seen 50 patients of all kinds. How many probably have not paid for the following?
Registration
Categories
Value
Category
-999
missing
0
1
2
3
4
5
6
7
10
12
15
20
25
30
40
45
48
50
99
MISSING
Sysmiss
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.