Table 7 Actual brucellosis incidence in 2019 and the out-of-sample prediction for ARIMA (Model 1) and ARIMAX (Model 2).

From: Search trends and prediction of human brucellosis using Baidu index data from 2011 to 2018 in China

Time

Actual incidence

Model 1

Model 2

Value

95%CI

Value

95%CI

Jan 2019

2390

1696.793

(735.412, 2658.175)

1851.391

(1007.858, 2694.924)

Feb 2019

2227

1833.312

(609.734, 3056.889)

1738.133

(659.862, 2816.403)

Mar 2019

4021

3808.437

(2430.329, 5189.545)

4035.677

(2823.679, 5247.675)

Apr 2019

4559

4406.562

(2919.176, 5893.947)

4927.924

(3627.244, 6228.604)

May 2019

5238

5333.362

(3759.529, 6907.195)

5391.204

(4025.604, 6756.804)