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Comparison of Performance of Data Imputation Methods for Numeric Dataset
Open accessAbstract
Missing data is common problem faced by researchers and data scientists. Therefore, it is required to handle them appropriately in order to get better and accurate results of data analysis. Objective of this research paper is to provide better understanding of data missingness mechanism, data imputation methods, and to assess performance of the widely used data imputation methods for numeric dataset. It will help practitioners and data scientists to select appropriate method of data imputation for numeric dataset while performing data mining task. In this paper, we comprehensively compare seven data imputation methods namely mean imputation, median imputation, kNN imputation, predictive mean matching, Bayesian Linear Regression (norm), Linear Regression, non-Bayesian (norm.nob), and random sample. We have used five different numeric datasets obtained from UCI machine learning repository for analyzing and comparing performance of the data imputation methods. Performance of the data imputation methods is assessed using Normalized Root Mean Square Error (RMSE) method. The results of analysis show that kNN imputation method outperforms the other methods. It has also been found that performance of the data imputation method is independent of the dataset and percentage of missing values in the dataset.
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“Mean imputation was applied to manage data missing completely at random.62,63”
From Mindfulness and Psychosocial Symptoms in People with Cancer: Testing Rumination and Experiential Avoidance as Mediators, and Sex as a Moderator. (2025) · cites this paper as [62]
Experimental — accuracy not yet measuredIn the citing paper
“KNN imputation has been shown to work well for numerical imputation on single datasets (Jadhav et al., 2019), but the algorithm is sensitive to the choice of the number of nearest neighbors (k) and is limited in that it does not utilize the potential structure across the entire set of observations.”
From Missing data in multi-omics integration: Recent advances through artificial intelligence (2023) · cites this paper as Jadhav et al., 2019
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Putri, A. L. R., Surarso, B., & Titi Udjiani, S. R. R. M. (2023) · JTAM (Jurnal Teori dan Aplikasi Matematika) · doi:10.31764/jtam.v7i4.16699 · Cited by 2
“…rows or columns with missing values from the data set Bartlett et al. (2014) and imputation by filling in missing values using the mean or median Jadhav et al. (2019), k-Nearest Neighbor (KNN) imputation Jadhav et al. (2019) and Multiple Imputation by Chained Equation (MICE) (Z. Zhang, 2016).”
MethodShoukat, G., Malekjafarian, A., & Pakrashi, V. (2024) · Preprints.org · doi:10.20944/preprints202405.1179.v1
Detecting Need-Attention Patients using Machine Learning
Law, T.-J., Ting, C., & Zakariah, H. (2024) · JOIV International Journal on Informatics Visualization · doi:10.62527/joiv.8.2.2277 · Cited by 1
Stroke Prognostication in Patients Treated with Thrombolysis Using Random Forest
Yunus, R. E., Harris, S., Sidipratomo, P., Kekalih, A., Jatmiko, W., Pandelaki, J., Rachman, A., Syahrul, S., Valindria, V. V., Rachmadi, M. F., et al. (2024) · The Open Neuroimaging Journal · doi:10.2174/0118744400298093240520070257
Abudu, H., Dewortor, W. K., & Betts, B. S. H. (2024) · SSRN Electronic Journal · doi:10.2139/ssrn.4874736
A Random Forest Based Prediction Method for Moisture Content in Wood Materials
Xu, Y., Ye, Q., & Song, W. (2024) · International Conference on Cloud Computing and Big Data Analytics (ICCCBDA) · doi:10.1109/icccbda61447.2024.10569555
“Similar methods involve constant imputation [3], hot deck imputation, and cold deck imputation [4].”
MethodGafter, L., & Gafter, R. (2024) · Lecture notes in civil engineering · doi:10.1007/978-981-97-0495-8_21
Real-Time Clinical Decision Support Systems for the Prevention of Deterioration in Acute Care
Blythe, R. D. (2024) · Queensland University of Technology · doi:10.5204/thesis.eprints.251291
Varol, B., Ömürlü, İ. K., & Türe, M. (2024) · Black Sea Journal of Engineering and Science · doi:10.34248/bsengineering.1531546
Robustness of Imputation Methods with Backpropagation Algorithm in Nonlinear Multiple Regression
Hounmenou, C. G., Behingan, M. B., Chrysostome, C. A. A. M., Gneyou, K. E., & Kakaï, R. G. (2024) · Springer proceedings in mathematics & statistics · doi:10.1007/978-3-031-66222-5_13
Granda, M., Garcés-Jiménez, A., Bueno, F. J., Rodrı́guez-Puyol, D., & Gomez-Pulido, J. M. (2024) · IEEE International Conference on Bioinformatics and Biomedicine (BIBM) · doi:10.1109/bibm62325.2024.10822867
Li, Y., Yang, R., Duan, Z., & Liu, H. (2025) · Journal of Central South University · doi:10.1007/s11771-025-5857-y
“To ensure the continuous and complete PM 2.5 data of the target site and the auxiliary monitoring site, the KNN imputation method is utilized to fill the missing values [50, 51].”
InfluentialAlgorithm for estimating the construction year of Brazilian bridges between 1950 and 1980
de Souza, C. A. F., de Carvalho, J. M. F., Ribeiro, M. H. F., Martins, A. C. P., Bellon, F. G., Andrade, M. S., de Oliveira, D. S., Ribeiro, J. C. L., Júnior, K. M. L. C., & Matos, J. C. (2025) · REM - International Engineering Journal · doi:10.1590/0370-44672024780062
Enhancing Graph Neural Networks with Active Learning and Self-Training for Autonomous Driving
Mouhajir, M., Nechba, M., & Lazaar, M. (2025) · Lecture notes in networks and systems · doi:10.1007/978-3-031-86698-2_15
Federated feature reconstruction with collaborative star networks
Yi-hong, Z., Gao, Y., Gong, M., Li, H., Zhang, Y., & Zhang, S. (2025) · Knowledge-Based Systems · doi:10.1016/j.knosys.2025.113463
Remaining Useful Life Prediction with Missing Data Using Relevance Vector Regression
Shi, T., Ru, W., Hui, S., Pan, Y., Zhang, H., & Zhang, Q. (2025) · International Conference on Electrical Automation and Artificial Intelligence (ICEAAI) · doi:10.1109/iceaai64185.2025.10957221
“However, techniques like interpolation (e.g., mean filling or insertion) have inherent limitations, as they struggle to fully capture the complex relationships between sequential data and missing values [5][6].”
Caceres, D. V. (2024) · Scholars Archive - University at Albany (University at Albany, State University of New York) · doi:10.54014/p376-enx5
Impacto da Imputação de Dados na Predição da Qualidade do Ar: Um Estudo de Caso em Congonhas-MG
Silva, J. A. D. S., & Cunha, F. D. (2025) · Anais do Workshop de Computação Urbana (CoUrb) · doi:10.5753/courb.2025.8700
Njeru, A. M., Wario, R. D., Njagi, R., Nyaga, C. N., & Gitonga, L. K. (2025) · IST-Africa Conference (IST-Africa) · doi:10.23919/ist-africa67297.2025.11060522
“This method was selected because the median provides a stable estimate of central tendency, which is less affected by outliers, ensuring that the imputed values reflect typical levels without being skewed by extreme values [5].”
Metadata
- Authors
- Jadhav, A., Pramod, D., & Ramanathan, K.
- Affiliations
- Symbiosis International University (IN)
- Corresponding author
- Jadhav, Anil
- Venue
- Applied Artificial Intelligence
- Publisher
- Informa UK Limited
- Published
- 2019-07-04
- Volume
- 33
- Issue
- 10
- Pages
- 913-933
- ISSN
- 0883-9514 (ISSN-L)
- 1087-6545
- OpenAlex
- W2955443275
- Cited by
- 471
- References
- 45
- Citations by year
- 2026: 64 · 2025: 124 · 2024: 102 · 2023: 97 · 2022: 44 · 2021: 27 · 2020: 13
- FWCI
- 16.42
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Applied Artificial Intelligence (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Topics
- Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods and Bayesian Inference
- Physical Sciences › Computer Science › Information Systems › Data Mining and Machine Learning Applications
- Physical Sciences › Computer Science › Artificial Intelligence › Machine Learning and Data Classification
- Keywords
- missing data imputation, missing data, KNN imputation, mean imputation, median imputation, predictive mean matching, Bayesian linear regression, linear regression, imputation method comparison
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