Table 4.
Out-of-sample validation: RMSEs by payer and omitted state
| Dependent variable | RMSE for included states | RMSE for omitted state |
|---|---|---|
| Omitting California | ||
| PCR 1 Medicare | .174 | .177 |
| PCR 2 Medicaid | .186 | .287 |
| PCR 3 Private | .194 | .339 |
| PCR 4 Self-Pay | .226 | .608 |
| PCR 5 Other | .224 | .702 |
| Omitting Wisconsin | ||
| PCR 1 Medicare | .166 | .269 |
| PCR 2 Medicaid | .191 | .203 |
| PCR 3 Private | .180 | .454 |
| PCR 4 Self-Pay | .236 | .452 |
| PCR 5 Other | .271 | .594 |
| Omitting Florida | ||
| PCR 1 Medicare | .173 | .269 |
| PCR 2 Medicaid | .196 | .116 |
| PCR 3 Private | .210 | .311 |
| PCR 4 Self-Pay | .231 | .538 |
| PCR 5 Other | .273 | .900 |
Notes: RMSE, root mean squared error