๐ ๐๐ผ๐บ๐ฝ๐ฎ๐ฟ๐ฎ๐๐ถ๐๐ฒ ๐ฆ๐๐๐ฑ๐ ๐ผ๐ณ ๐๐ฒ๐ฒ๐ฝ ๐๐ฒ๐ฎ๐ฟ๐ป๐ถ๐ป๐ด ๐๐ฟ๐ฐ๐ต๐ถ๐๐ฒ๐ฐ๐๐๐ฟ๐ฒ๐ ๐ณ๐ผ๐ฟ ๐ฃ๐ฎ๐ฟ๐๐ถ๐ฐ๐๐น๐ฎ๐๐ฒ ๐ ๐ฎ๐๐๐ฒ๐ฟ ๐ฃ๐ฟ๐ฒ๐ฑ๐ถ๐ฐ๐๐ถ๐ผ๐ป ๐ถ๐ป ๐๐๐ด๐ฏ๐ฒ, ๐๐๐ง ๐๐ฏ๐๐ท๐ฎ, ๐ก๐ถ๐ด๐ฒ๐ฟ๐ถ๐ฎ
A recent study published in African Scientific Reports compared RNN, LSTM, and CNNโBiLSTM architectures for predicting PMโ.โ and PMโโ concentrations in Lugbe, FCT Abuja, Nigeria. The models were trained using more than 1.2 million air-quality and meteorological data entries and used two-hour sliding windows to generate short-term forecasts. All three models performed strongly for PMโ.โ , achieving Rยฒ values above 0.90, while Model 2, based on LSTM, produced the most balanced results with an MAE of 2.898 ยตg/mยณ, RMSE of 6.453 ยตg/mยณ, MAPE of 7.7013%, and Rยฒ of 0.9166. PMโโ prediction was more difficult, with Rยฒ values ranging from 0.7037 to 0.7348, although Model 2 again achieved the best overall generalization with the lowest RMSE and highest Rยฒ. The findings show that deep learning is effective for particulate-matter forecasting in Lugbe, particularly for PMโ.โ , while the greater variability of PMโโ remains a challenge for accurate prediction.
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