Year of Yellow Fever immunization (IM7Y)
Data file: ch
Overview
Valid:
10
Invalid:
960
Minimum:
2004
Maximum:
9999
Type:
Discrete
Decimal:
0
Width:
4
Range:
2004 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 2004 | 2 |
20%
|
|
| 2005 | 2 |
20%
|
|
| 2006 | 5 |
50%
|
|
| 9999 | Missing | 1 |
10%
|
| Sysmiss | 960 |
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.