Table A.1.

		Inputs		Output	SITALA predictions
	Date	Percent cleaned test positivity	Percent COVID news sentiment	Percent cleaned test positivity	Positivity predictions	Forecast with positive sentiment (70)	Forecast with negative sentiment (−70)
Training dataset with 10% reserved for validation	4/23	2.24	0.00	2.24
	4/24	3.56	0.00	3.56
	4/25	4.38	0.00	4.38
	4/26	21.19	0.00	21.19
	4/27	3.93	−61.81	3.93
	4/28	14.83	0.00	14.83
	4/29	4.24	0.00	4.24
	4/30	7.58	0.00	7.58
	5/1	6.67	0.00	6.67
	5/2	5.76	0.00	5.76
	5/3	4.89	0.00	4.89
	5/4	4.29	−52.66	4.29
	5/5	3.73	0.00	3.73
	5/6	3.18	0.00	3.18
	5/7	2.62	0.00	2.62	2.60
	5/8	2.36	0.00	2.36	2.49
	5/9	6.29	0.00	6.29	6.08
	5/10	4.20	0.00	4.20	4.16
	5/11	2.23	0.00	2.23	2.06
	5/12	3.93	0.00	3.93	3.67
	5/13	4.50	0.00	4.50	4.32
	5/14	4.29	0.00	4.29	4.17
	5/15	9.17	5.43	9.17	8.85
	5/16	4.78	1.36	4.78	4.59
	5/17	1.81	−26.88	1.81	1.76
	5/18	7.66	13.96	7.66	7.32
	5/19	2.38	−10.04	2.38	2.19
	5/20	5.00	7.82	5.00	4.88
	5/21	6.64	1.89	6.64	6.49
	5/22	8.48	11.79	8.48	8.32
	5/23	6.74	−54.95	6.74	6.56
	5/24	4.99	−11.66	4.99	4.92
	5/25	3.25	−30.84	3.25	3.19
	5/26	1.46	6.23	1.46	1.52
	5/27	14.83	11.26	14.83	14.78
	5/28	4.27	11.29	4.27	4.35
	5/29	6.20	5.52	6.20	5.92
	5/30	6.06	39.18	6.06	6.00
	5/31	21.91	25.26	21.91	21.21
	6/1	0.96	16.38	0.96	0.68
	6/2	8.34	0.33	8.34	7.94
	6/3	12.92	−3.21	12.92	12.45
	6/4	17.55	15.25	17.55	17.02
	6/5	12.49	9.44	12.49	11.88
	6/6	7.89	−26.27	7.89	6.94
	6/7	5.57	−15.18	5.57	5.21
	6/8	11.63	−19.69	11.63	11.01
	6/9	16.62	−14.70	16.62	16.26
	6/10	15.01	2.63	15.01	14.11
	6/11	13.40	−12.09	13.40	13.22
	6/12	11.79	−18.90	11.79	11.28
	6/13	10.19	−28.92	10.19	9.99
	6/14	7.46	2.87	7.46	7.58
	6/15	7.16	−4.26	7.16	7.27
	6/16	5.53	2.51	5.53	5.57
	6/17	10.04	14.69	10.04	10.10
	6/18	7.08	−0.39	7.08	6.87
	6/19	5.75	15.41	5.75	5.68
	6/20	17.55	6.68	17.55	16.89
	6/21	27.71	−27.42	27.71	6.39
	6/22	3.71	4.48	3.71	6.63
	6/23	60.35	−17.23	60.35	12.43
	6/24	45.44	−10.17	45.44	9.54
	6/25	30.53	−0.26	30.53	13.65
	6/26	15.62	−16.69	15.62	11.36
Test dataset	6/27	9.05	−10.33	9.05	14.38
	6/28	9.18	−48.70	9.18	14.08
	6/29	1.64	−20.83	1.64	17.87
	6/30	19.83	−15.70	19.83	11.95
	7/1	14.38	−20.46	14.38	9.54
	7/2	20.69	−30.37	20.69	17.72
	7/3	23.57	−11.68	23.57	8.66
	7/4	15.27	−24.72	15.27	12.23
	7/5	6.32	−35.68	6.32	16.23
	7/6	7.38	1.79	7.38	11.14
	7/7	13.42	3.53	13.42	12.01
	7/8	15.12	−41.36	15.12	11.32
	7/9	13.59	−50.11	13.59	10.55
	7/10	11.44	−27.35	11.44	12.04
	7/11	10.81	−21.80	10.81	5.45
	7/12	25.92	−51.09	25.92	11.06
	7/13	18.76	−4.39	18.76	6.50
	7/14	49.02	0.49	49.02	6.91
	7/15	28.24	−11.31	28.24	7.88
	7/16	27.44	1.59	27.44	16.13
	7/17	26.65	−9.15	26.65	9.96
	7/18	20.28	−31.79	20.28	20.28
Forecast	7/19	12.27				9.23	9.23
	7/20	14.15				17.31	13.78
	7/21	20.52				26.54	17.34
	7/22	27.54				14.89	8.86
	7/23	24.79				22.31	11.32
	7/24	19.83				32.09	16.35
	7/25	16.16				26.15	8.79
	7/26	21.30				29.99	10.60
	7/27	21.00				37.56	14.11
	7/28	30.01				33.28	12.61
	7/29	39.18				41.10	9.85
	7/30	23.33				44.90	15.87
	7/31	43.18				45.41	14.24
	8/1	37.56				49.85	16.57
	8/2	12.00				57.47	18.08
	8/3	5.75				56.75	19.36
	8/4	15.04				55.62	16.81
	8/5	21.09				56.75	17.65
	8/6					59.65	17.22
	8/7					60.82	17.17