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. 2020 Sep 15;8:e9961. doi: 10.7717/peerj.9961

Table 2. PM10 2019 model performance statistics.

The Prophet model forecasted 2019 values on an hourly basis, which was compared to actual values over a 5 day, 15 day, 1 month, and 1 year period. Units for MSE, RMSE, and MAE are µg/m3. The MAE was on average 19.6 µg/m3 away from the actual value after 5 days and as the time increased away from the known values, the error increased.

Time MSE RMSE MAE Coverage
5 Days 8.60 × 102 2.93 × 101 1.96 × 101 79.0%
15 Days 8.78 × 102 2.96 × 101 2.01 × 101 77.1%
1 Month 8.98 × 102 3.00 × 101 2.03 × 101 76.7%
6 Months 1.27 × 103 3.55 × 101 2.42 × 101 77.6%
1 Year 1.67 × 103 4.04 × 101 2.72 × 101 74.0%