Table 1 One-quarter-ahead (and two quarter-ahead) prediction accuracy of different models across states, 2005–2015.
Google search data | SDUD Rx utilization data | Both Google and drug data | ||||
|---|---|---|---|---|---|---|
R2 | RMSE | R2 | RMSE | R2 | RMSE | |
CA | 0.8736 (0.7844) | 638.6979 (834.2924) | 0.9062 (0.8282) | 550.1519 (744.5870) | 0.9594 (0.8969) | 361.9566 (576.9079) |
FL | 0.8059 (0.7200) | 97.0510 (116.5707) | 0.8489 (0.7370) | 85.6269 (112.9681) | 0.9271 (0.8375) | 59.4883 (88.7939) |
GA | 0.8697 (0.6800) | 16.4743 (25.8185) | 0.8409 (0.7387) | 18.2066 (23.3316) | 0.9127 (0.8278) | 13.4825 (18.9402) |
IN | 0.856 (0.8127) | 58.8990 (67.1762) | 0.8851 (0.7547) | 52.6304 (76.8859) | 0.9405 (0.8503) | 37.8547 (60.0672) |
MA | 0.8522 (0.7560) | 219.4779 (282.0361) | 0.8885 (0.7022) | 190.6938 (311.6135) | 0.9287 (0.8157) | 152.4159 (245.1396) |
MN | 0.899 (0.7672) | 51.6804 (78.4571) | 0.8208 (0.7865) | 68.8408 (75.1380) | 0.9602 (0.8420) | 32.4432 (64.6257) |
MO | 0.8559 (0.7295) | 51.0897 (69.9864) | 0.8812 (0.7628) | 46.3891 (65.5383) | 0.9271 (0.8207) | 36.338 (56.9789) |
NJ | 0.8668 (0.7651) | 254.2480 (337.6893) | 0.9013 (0.7835) | 218.8394 (324.1491) | 0.9555 (0.8599) | 147.0135 (260.8051) |
NY | 0.7541 (0.7249) | 430.4102 (455.1811) | 0.8900 (0.7231) | 308.49 (489.5146776) | 0.9462 (0.8077) | 215.769 (407.9654628) |
TN | 0.8566 (0.7458) | 60.3684 (80.3787) | 0.8946 (0.7872) | 51.7539 (73.5375) | 0.9471 (0.8345) | 36.6575 (64.8513) |
WI | 0.8005 (0.7520) | 153.2267 (170.8507) | 0.8993 (0.7620) | 108.8656 (167.3505) | 0.9554 (0.8218) | 72.4859 (144.8327) |
