Table 3.
Predicted vs Actual Counts of Physicians, by Specialty, for Combined Random Forest Models
| Specialty | Predicted | Actual | Predicted/Actual, % |
|---|---|---|---|
| Allergy/immunology | 1,590 | 1,625 | 97.8 |
| Anesthesiology | 16,100 | 16,110 | 99.9 |
| Cardiology | 10,790 | 11,170 | 96.6 |
| Dermatology | 5,569 | 5,498 | 101.3 |
| Emergency medicine | 17,886 | 18,663 | 95.8 |
| Endocrinology | 2,330 | 2,497 | 93.3 |
| Gastroenterology | 6,064 | 5,960 | 101.7 |
| Hematology-oncology | 5,468 | 5,572 | 98.1 |
| Infectious disease | 1,704 | 2,328 | 73.2 |
| Nephrology | 3,702 | 3,691 | 100.3 |
| Neurology | 5,747 | 6,217 | 92.4 |
| Neurosurgery | 1,342 | 2,008 | 66.8 |
| Obstetrics and gynecology | 11,425 | 11,505 | 99.3 |
| Ophthalmology | 8,758 | 8,755 | 100.0 |
| Orthopedic surgery | 11,008 | 11,095 | 99.2 |
| Otolaryngology | 4,021 | 4,262 | 94.3 |
| Pathology | 4,790 | 4,831 | 99.2 |
| Physical medicine and rehabilitation | 2,154 | 3,438 | 62.7 |
| Plastic surgery | 1,419 | 1,795 | 79.1 |
| Primary care | 105,225 | 101,498 | 103.7 |
| Psychiatry | 14,912 | 14,974 | 99.6 |
| Pulmonology | 5,525 | 5,395 | 102.4 |
| Radiation oncology | 1,881 | 1,903 | 98.8 |
| Radiology | 11,547 | 11,816 | 97.7 |
| Rheumatology | 2,086 | 2,030 | 102.8 |
| Surgery | 14,949 | 13,278 | 112.6 |
| Urology | 4,498 | 4,579 | 98.2 |
Note: The predicted counts are based on the combined models and averaged all 9 sets of predictions. The actual counts are the number of physicians by specialty in the Test data set. Values are rounded to the nearest integer.