Table 2.
The distribution of area (continent) and economic status in 130 countries, in training and validation sets
| Training Set (N = 65) |
Validation Set (N = 65) |
Entire Set (N = 130) |
|
|---|---|---|---|
| Continent | |||
| Africa | 26 (40.0) | 18 (27.7) | 44 (33·8) |
| Americas | 3 (4.6) | 1 (1.5) | 4 (3.2) |
| Asia | 7 (10.8) | 5 (7.7) | 12 (9.2) |
| Australia/Oceania | 2 (3.1) | 5 (7.7) | 7 (5.4) |
| Europe | 20 (30.7) | 24 (36.9) | 44 (33.8) |
| Middle East | 7 (10.8) | 12 (18.5) | 19 (14.6) |
| Member of OECD | |||
| No | 50 (76.9) | 50 (76.9) | 100 (76.9) |
| Yes | 15 (23.1) | 15 (23.1) | 30 (23.1) |
| Economics | |||
| Low income | 17 (26.1) | 20 (30.8) | 37 (28.4) |
| Middle income | 28 (43.1) | 25 (38.4) | 53 (40.8) |
| High income | 20 (30.8) | 20 (30.8) | 40 (30.8) |
OECD = Organization for Economic Cooperation and Development