Table 2 Correct classification rates for age range detection using random forests (Rf) and kernel discriminant analysis (Kda)
From: Automatic prediction of age, gender, and nationality in offline handwriting
| Â | Arabic | English | Both | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Same text (%) | Different text (%) | Same text (%) | Different text (%) | Same text (%) | Different text (%) | ||||||
Feature | RF | KDA | RF | KDA | RF | KDA | RF | KDA | RF | KDA | RF | KDA |
f1 | 53.7 | 56.5 | 56.9 | 52.1 | 47.2 | 58.3 | 53.6 | 49.2 | 50.4 | 52.9 | 53.2 | 47.2 |
f2 | 56.2 | 52.0 | 59.3 | 53.6 | 51.1 | 51.4 | 57.4 | 53.0 | 55.4 | 49.8 | 58.7 | 50.4 |
f3 | 55.9 | 54.9 | 56.2 | 49.9 | 49.7 | 52.1 | 53.3 | 51.1 | 52.4 | 54.0 | 53.5 | 45.4 |
f4 | 56.5 | 54.4 | 50.7 | 51.9 | 49.3 | 53.1 | 50.9 | 51.1 | 51.9 | 50.5 | 52.5 | 46.8 |
f5 | 55.9 | 48.9 | 56.6 | 48.9 | 50.4 | 43.8 | 54.0 | 48.9 | 54.1 | 43.6 | 55.8 | 47.2 |
f6 | 58.7 | 48.2 | 60.7 | 48.6 | 50.4 | 49.3 | 55.4 | 50.5 | 55.1 | 45.7 | 58.4 | 46.1 |
f7 | 59.1 | 53.9 | 61.4 | 55.3 | 50.7 | 53.1 | 56.8 | 54.6 | 54.6 | 51.6 | 58.7 | 48.9 |
f8 | 49.8 | 57.2 | 51.7 | 52.6 | 48.2 | 55.9 | 50.5 | 56.5 | 49.6 | 55.4 | 52.0 | 49.7 |
f9 | 56.2 | 53.9 | 55.5 | 53.4 | 49.7 | 56.9 | 54.7 | 56.2 | 54.8 | 48.8 | 54.6 | 47.2 |
f10 | 57.1 | 56.0 | 55.5 | 52.9 | 48.2 | 53.8 | 52.6 | 54.0 | 54.4 | 55.7 | 54.8 | 48.6 |
f11 | 55.6 | 53.4 | 55.2 | 54.8 | 47.9 | 47.2 | 52.9 | 56.5 | 53.4 | 54.3 | 53.2 | 49.3 |
f12 | 54.0 | 53.5 | 53.1 | 53.3 | 50.4 | 49.7 | 56.4 | 53.7 | 52.8 | 52.9 | 54.9 | 52.5 |
f13 | 55.2 | 53.5 | 55.5 | 52.6 | 50.4 | 47.9 | 55.7 | 53.0 | 52.6 | 54.0 | 56.1 | 47.9 |
f14 | 56.2 | 53.7 | 54.1 | 52.4 | 53.2 | 51.0 | 54.7 | 55.9 | 54.1 | 51.2 | 56.5 | 47.9 |
f15 | 56.2 | 50.8 | 56.2 | 52.3 | 52.8 | 48.6 | 54.7 | 50.5 | 54.4 | 51.9 | 57.2 | 51.1 |
f16 | 55.9 | 49.6 | 57.2 | 52.8 | 50.4 | 48.3 | 57.8 | 48.6 | 53.9 | 50.9 | 56.3 | 51.4 |
f17 | 55.2 | 51.0 | 58.3 | 52.8 | 48.9 | 49.0 | 55.4 | 50.2 | 53.4 | 50.9 | 54.9 | 50.4 |
f18 | 55.6 | 54.1 | 58.6 | 52.8 | 49.3 | 55.2 | 55.1 | 56.2 | 53.1 | 49.8 | 55.1 | 49.3 |
f19 | 57.1 | 54.9 | 56.6 | 53.8 | 50.4 | 53.8 | 55.4 | 56.2 | 54.4 | 51.9 | 55.3 | 48.6 |
f20 | 58.1 | 53.0 | 55.2 | 52.9 | 50.7 | 51.0 | 54.2 | 54.9 | 54.4 | 52.6 | 54.6 | 49.7 |
f21 | 57.5 | 51.3 | 54.1 | 53.4 | 49.7 | 48.3 | 54.6 | 56.8 | 54.3 | 51.6 | 54.2 | 50.0 |
f22 | 57.1 | 50.3 | 55.9 | 53.8 | 50.7 | 47.2 | 53.7 | 54.3 | 54.3 | 50.9 | 54.1 | 50.4 |
f23 | 55.2 | 49.9 | 58.3 | 53.3 | 49.7 | 47.6 | 54.9 | 53.3 | 53.1 | 51.9 | 54.8 | 47.5 |
f24 | 54.9 | 50.3 | 58.3 | 52.4 | 50.7 | 48.3 | 56.5 | 53.0 | 53.8 | 51.9 | 56.3 | 49.7 |
f25 | 56.2 | 50.4 | 60.0 | 54.4 | 51.8 | 49.3 | 58.0 | 53.3 | 54.1 | 53.6 | 58.6 | 51.1 |
f26 | 56.8 | 51.8 | 58.6 | 54.8 | 51.8 | 49.3 | 58.7 | 51.4 | 54.9 | 53.6 | 57.7 | 51.4 |
f1 + f2 + f3 | 58.7 | 53.9 | 62.4 | 50.4 | 52.8 | 54.1 | 59.9 | 49.5 | 55.8 | 54.0 | 60.6 | 46.8 |
f4 +,…, + f7 | 58.4 | 50.8 | 60.7 | 52.3 | 50.0 | 48.6 | 56.4 | 53.0 | 54.4 | 47.1 | 58.5 | 48.6 |
f8 +,…, + f17 | 57.1 | 49.1 | 58.3 | 54.1 | 48.9 | 50.7 | 54.7 | 51.4 | 54.1 | 49.5 | 56.7 | 53.2 |
f18 +,…, + f26 | 55.9 | 50.1 | 57.2 | 53.9 | 50.7 | 49.7 | 56.4 | 55.9 | 53.1 | 53.3 | 56.8 | 49.3 |
f1 +,…, + f26 | 58.1 | 53.0 | 59.3 | 55.8 | 51.4 | 53.5 | 57.4 | 53.3 | 55.1 | 49.8 | 59.4 | 53.9 |