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Scikit-learn has been the lingua-franca of machine learning community for over a decade now. Developed in early 2000’s, the paper about scikit-learn came in 2011 and 2013. The paper is well written, and describes the basic principles of the library. The very fact that the paper of a machine learning library is still very much relevant today, speaks volumes about the strong principles and robust software design of scikit-learn library. No doubt, the library has influenced many onward machine learning libraries and almost all the ‘mainstream’ machine learning libraries have borrowed many concepts from it. Since the success of scikit-learn, there has been plethora of scikits, sickit-optimize for optimization of hyperparameters, scikit-image for image processing, to name a few. This post has been influenced by the original paper and my experience of using scikit-learn. The purpose is to provide an overview of scikit-learn with code examples.
Published in Journal of Hydrology, 2020
Recommended citation: Abbas, A., Baek, S., Kim, M., Ligaray, M., Ribolzi, O., Silvera, N., ... & Cho, K. H. (2020). Surface and sub-surface flow estimation at high temporal resolution using deep neural networks. Journal of Hydrology, 590, 125370. https://doi.org/10.1016/j.jhydrol.2020.125370
Published in Water Research, 2021
Recommended citation: Jang, J., Abbas, A., Kim, M., Shin, J., Kim, Y. M., & Cho, K. H. (2021). Prediction of antibiotic-resistance genes occurrence at a recreational beach with deep learning models. Water Research, 196, 117001. https://doi.org/10.1016/j.watres.2021.117001
Published in Journal of Cleaner Production, 2021
Recommended citation: Yun, D., Abbas, A., Jeon, J., Ligaray, M., Baek, S. S., & Cho, K. H. (2021). Developing a deep learning model for the simulation of micro-pollutants in a watershed. Journal of Cleaner Production, 300, 126858. https://doi.org/10.1016/j.jclepro.2021.126858
Published in Desalination, 2021
Recommended citation: Yoon, N., Kim, J., Lim, J. L., Abbas, A., Jeong, K., & Cho, K. H. (2021). Dual-stage attention-based LSTM for simulating performance of brackish water treatment plant. Desalination, 512, 115107. https://doi.org/10.1016/j.desal.2021.115107
Published in Water Research, 2021
This paper is prediction of antibiotic resistance genes at a recreational beach in South Korea using deep learning..
Recommended citation: Jeong, K., Abbas, A., Shin, J., Son, M., Kim, Y. M., & Cho, K. H. (2021). Prediction of biogas production in anaerobic co-digestion of organic wastes using deep learning models. Water Research, 205, 117697. https://doi.org/10.1016/j.watres.2021.117697
Published in Desalination, 2021
Recommended citation: Son, M., Yoon, N., Jeong, K., Abass, A., Logan, B. E., & Cho, K. H. (2021). Deep learning for pH prediction in water desalination using membrane capacitive deionization. Desalination, 516, 115233. https://doi.org/10.1016/j.desal.2021.115233
Published in Hydrology and Earth System Sciences, 2021
Recommended citation: Abbas, A., Baek, S., Silvera, N., Soulileuth, B., Pachepsky, Y., Ribolzi, O., ... & Cho, K. H. (2021). In-stream Escherichia coli modeling using high-temporal-resolution data with deep learning and process-based models. Hydrology and Earth System Sciences, 25(12), 6185-6202. https://doi.org/10.5194/hess-25-6185-2021
Published in Environmental Engineering Research, 2022
Recommended citation: Kwon, D. H., Hong, S. M., Abbas, A., Pyo, J., Lee, H. K., Baek, S. S., & Cho, K. H. (2023). Inland harmful algal blooms (HABs) modeling using internet of things (IoT) system and deep learning. Environmental Engineering Research, 28(1), 210280. https://doi.org/10.4491/eer.2021.280
Published in Journal of Materials Chemistry A, 2022
Recommended citation: Umer, M., Umer, S., Zafari, M., Ha, M., Anand, R., Hajibabaei, A., Abbas, A., Lee, G., & Kim, K. S. (2022). Machine learning assisted high-throughput screening of transition metal single atom based superb hydrogen evolution electrocatalysts. Journal of Materials Chemistry A, 10(12), 6679-6689. https://doi.org/10.1039/D1TA09878K
Published in Geoscientific Model Development, 2022
Recommended citation: Abbas, A., Boithias, L., Pachepsky, Y., Kim, K., Chun, J. A., & Cho, K. H. (2022). AI4Water v1.0: an open-source python package for modeling hydrological time series using data-driven methods. Geoscientific Model Development, 15(7), 3021-3039. https://doi.org/10.5194/gmd-15-3021-2022
Published in Science of the Total Environment, 2023
Recommended citation: Son, M., Yoon, N., Park, S., Abbas, A., & Cho, K. H. (2023). An open-source deep learning model for predicting effluent concentration in capacitive deionization. Science of The Total Environment, 856, 159158. https://doi.org/10.1016/j.scitotenv.2022.159158
Published in Journal of Hazardous Materials, 2023
Recommended citation: Jaffari, Z. H., Abbas, A., Lam, S.-M., Park, S., Chon, K., Kim, E.-S., & Cho, K. H. (2023). Machine learning approaches to predict the photocatalytic performance of bismuth ferrite-based materials in the removal of malachite green. Journal of Hazardous Materials, 442, 130031. https://doi.org/10.1016/j.jhazmat.2022.130031
Published in Journal of Hydrology, 2023
Recommended citation: Lee, J., Abbas, A., McCarty, G. W., Zhang, X., Lee, S., & Cho, K. H. (2023). Estimation of base and surface flow using deep neural networks and a hydrologic model in two watersheds of the Chesapeake Bay. Journal of Hydrology, 617, 128916. https://doi.org/10.1016/j.jhydrol.2022.128916
Published in Journal of Materials Chemistry A, 2023
Recommended citation: Jaffari, Z. H., Abbas, A., Umer, M., Kim, E.-S., & Cho, K. H. (2023). Crystal graph convolution neural networks for fast and accurate prediction of adsorption ability of Nb2CTx towards Pb(II) and Cd(II) ions. Journal of Materials Chemistry A, 11(16), 9009-9018. https://doi.org/10.1039/D3TA00019B
Published in GIScience & Remote Sensing, 2023
Recommended citation: Kwon, D. H., Hong, S. M., Abbas, A., Park, S., Nam, G., Yoo, J.-H., Kim, K., Kim, H. T., Pyo, J., & Cho, K. H. (2023). Deep learning-based super-resolution for harmful algal bloom monitoring of inland water. GIScience & Remote Sensing, 60(1), 2249753. https://doi.org/10.1080/15481603.2023.2249753
Published in Environmental Modelling & Software, 2023
Recommended citation: Hong, S. M., Abbas, A., Kim, S., Kwon, D. H., Yoon, N., Yun, D., Lee, S., Pachepsky, Y., Pyo, J., & Cho, K. H. (2023). Autonomous calibration of EFDC for predicting chlorophyll-a using reinforcement learning and a real-time monitoring system. Environmental Modelling & Software, 168, 105805. https://doi.org/10.1016/j.envsoft.2023.105805
Published in Journal of Hydrology, 2023
Recommended citation: Abbas, A., Park, M., Baek, S. S., & Cho, K. H. (2023). Deep learning-based algorithms for long-term prediction of chlorophyll-a in catchment streams. Journal of Hydrology, 626, 130240. https://doi.org/10.1016/j.jhydrol.2023.130240
Published in Journal of Cleaner Production, 2023
Recommended citation: Kim, S., Abbas, A., Pyo, J., Kim, H., Hong, S. M., Baek, S. S., & Cho, K. H. (2023). Developing a data-driven modeling framework for simulating a chemical accident in freshwater. Journal of Cleaner Production, 425, 138842. https://doi.org/10.1016/j.jclepro.2023.138842
Published in Ecological Informatics, 2023
Recommended citation: Jang, J., Abbas, A., Kim, H., Rhee, C., Shin, S. G., Chun, J. A., Baek, S., & Cho, K. H. (2023). Prediction and interpretation of pathogenic bacteria occurrence at a recreational beach using data-driven algorithms. Ecological Informatics, 78, 102370. https://doi.org/10.1016/j.ecoinf.2023.102370
Published in Separation and Purification Technology, 2023
Recommended citation: Iftikhar, S., Zahra, N., Rubab, F., Sumra, R. A., Khan, M. B., Abbas, A., & Jaffari, Z. H. (2023). Artificial neural networks for insights into adsorption capacity of industrial dyes using carbon-based materials. Separation and Purification Technology, 326, 124891. https://doi.org/10.1016/j.seppur.2023.124891
Published in Water Research X, 2023
Recommended citation: Pyo, J., Pachepsky, Y., Kim, S., Abbas, A., Kim, M., Kwon, Y. S., Ligaray, M., & Cho, K. H. (2023). Long short-term memory models of water quality in inland water environments. Water Research X, 21, 100207. https://doi.org/10.1016/j.wroa.2023.100207
Published in Journal of Hazardous Materials, 2024
Recommended citation: Jaffari, Z. H., Abbas, A., Kim, C.-M., Shin, J., Kwak, J., Son, C., Lee, Y.-G., Kim, S., Chon, K., & Cho, K. H. (2024). Transformer-based deep learning models for adsorption capacity prediction of heavy metal ions toward biochar-based adsorbents. Journal of Hazardous Materials, 462, 132773. https://doi.org/10.1016/j.jhazmat.2023.132773
Published in Journal of Hazardous Materials, 2024
Recommended citation: Kim, C. M., Jaffari, Z. H., Abbas, A., Chowdhury, M. F., & Cho, K. H. (2024). Machine learning analysis to interpret the effect of the photocatalytic reaction rate constant (k) of semiconductor-based photocatalysts on dye removal. Journal of Hazardous Materials, 465, 132995. https://doi.org/10.1016/j.jhazmat.2023.132995
Published in Journal of Water Process Engineering, 2024
Recommended citation: Yu, S. I., Jeong, H., Shin, J., Shin, S. G., Abbas, A., Yun, D., Bae, H., & Cho, K. H. (2024). Simulation models of microbial community, pH, and volatile fatty acids of anaerobic digestion developed by machine learning. Journal of Water Process Engineering, 60, 105225. https://doi.org/10.1016/j.jwpe.2024.105225
Published in Journal of Environmental Chemical Engineering, 2024
Recommended citation: Ishtiaq, R., Zahra, N., Iftikhar, S., Rubab, F., Sultan, K., Abbas, A., Lam, S.-M., Jaffari, Z. H., & Park, K. Y. (2024). Adsorption of Cr(VI) ions onto fluorine-free niobium carbide (MXene) and machine learning prediction with high precision. Journal of Environmental Chemical Engineering, 12(2), 112238. https://doi.org/10.1016/j.jece.2024.112238
Published in Journal of Hazardous Materials, 2024
Recommended citation: Jaffari, Z. H., Na, S., Abbas, A., Park, K. Y., & Cho, K. H. (2024). Digital imaging-in-flow (FlowCAM) and probabilistic machine learning to assess the sonolytic disinfection of cyanobacteria in sewage wastewater. Journal of Hazardous Materials, 468, 133762. https://doi.org/10.1016/j.jhazmat.2024.133762
Published in Journal of Open Source Software, 2024
Recommended citation: Rubab, F., Iftikhar, S., & Abbas, A. (2024). SeqMetrics: a unified library for performance metrics calculation in Python. Journal of Open Source Software, 9(99), 6450. https://doi.org/10.21105/joss.06450
Published in Water Research, 2024
Recommended citation: Jeong, H., Abbas, A., Kim, H. G., Van Hoan, H., Van Tuan, P., Long, P. T., Lee, E., & Cho, K. H. (2024). Spatial prediction of groundwater salinity in multiple aquifers of the Mekong Delta region using explainable machine learning models. Water Research, 266, 122404. https://doi.org/10.1016/j.watres.2024.122404
Published in Chemosphere, 2025
Recommended citation: Iftikhar, S., Ishtiaq, R., Zahra, N., Ruba, F., Lam, S.-M., Abbas, A., & Jaffari, Z. H. (2025). Probabilistic prediction of phosphate ion adsorption onto biochar materials using a large dataset and online deployment. Chemosphere, 370, 144031. https://doi.org/10.1016/j.chemosphere.2024.144031
Published in GIScience & Remote Sensing, 2025
Recommended citation: Kwon, D. H., Ahn, J. M., Pyo, J. C., Lee, J., Abbas, A., Park, S., Kim, K., Lee, H., & Cho, K. H. (2025). Probabilistic machine learning-based phytoplankton abundance using hyperspectral remote sensing. GIScience & Remote Sensing, 62(1), 2484864. https://doi.org/10.1080/15481603.2025.2484864
Published in Water Resources Research, 2025
Recommended citation: Yang, Y., Feng, D., Beck, H. E., Hu, W., Abbas, A., Sengupta, A., ... & Pan, M. (2025). Global daily discharge estimation based on grid long short‐term memory (LSTM) model and river routing. Water Resources Research, 61(6), e2024WR039764. https://doi.org/10.1029/2024WR039764
Published in Journal of Open Source Software, 2025
Recommended citation: Abbas, A., Iftikhar, S., & Beck, H. E. (2025). AquaFetch: A Unified Python Interface for Water Resource Dataset Acquisition and Harmonization. Journal of Open Source Software, 10(112), 8051. https://doi.org/10.21105/joss.08051
Published in Nature Communications, 2025
Recommended citation: Ji, H., Song, Y., Bindas, T., Shen, C., Yang, Y., Pan, M., Liu, J., Rahmani, F., Abbas, A., Beck, H., Lawson, K., & Wada, Y. (2025). Distinct hydrologic response patterns and trends worldwide revealed by physics-embedded learning. Nature Communications, 16(1), 9169. https://doi.org/10.1038/s41467-025-64367-1
Published in Cleaner Water, 2025
Recommended citation: Ishtiaq, R., Jaffari, Z. H., Abbas, A., & Lam, S.-M. (2025). Machine learning powered prediction of photodegradation of 2,4-dichlorophenoxyacetic acid using gold-doped bismuth ferrite. Cleaner Water, 4, 100163. https://doi.org/10.1016/j.clwat.2025.100163
Published in Journal of Hydrology: Regional Studies, 2025
Recommended citation: Abbas, M., Abbas, A., Seehar, T. H., Tariq, A., Murtaza, G., & Yuan, J. (2025). Assessment and future projections of groundwater depletion and seawater intrusion in the coastal aquifers of Karachi. Journal of Hydrology: Regional Studies, 62, 102962. https://doi.org/10.1016/j.ejrh.2025.102962
Published in Ecohydrology & Hydrobiology, 2025
Recommended citation: Pyo, J. C., Baek, S. S., Abbas, A., Kim, H. G., Lee, J., Kim, S., Chun, J. A., & Cho, K. H. (2025). Improving reservoir water quality by optimizing weir operations with reinforcement learning and SWAT. Ecohydrology & Hydrobiology, 25(4), 100679. https://doi.org/10.1016/j.ecohyd.2025.100679
Published in Hydrology and Earth System Sciences, 2026
Recommended citation: Abbas, A., Yang, Y., Pan, M., Tramblay, Y., Shen, C., Ji, H., Gebrechorkos, S. H., Pappenberger, F., Pyo, J., Feng, D., Huffman, G., Nguyen, P., Massari, C., Brocca, L., Tan, J., & Beck, H. E. (2026). Comprehensive global assessment of 24 gridded precipitation datasets across 18 428 catchments using hydrological modeling. Hydrology and Earth System Sciences, 30(11), 3399-3423. https://doi.org/10.5194/hess-30-3399-2026