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Abstract
Time-based surveys often experience missing data due to several reasons, like non-response or data collection limitations. Imputation methods play an essential role in incorporating these missing values to secure the accuracy and reliability of the survey outcomes. This manuscript proposes some optimal class of memory type imputation methods for imputing missing data in time-based surveys by utilizing exponentially weighted moving average (EWMA) statistics. The insights into the optimal conditions for incorporating our proposed methods are provided. A comprehensive examination of the proposed method utilizing simulated and real-life datasets is conducted. Comparative analyses against the existing imputation methods exhibit the superior performance of our methods, particularly in the scenarios characterized by developing trends and dynamic response patterns. The outcomes highlight the effectiveness of utilizing EWMA statistics into memory type imputation methods, displaying their flexibility to changing survey dynamics.
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Details
1 Central University of Haryana, Department of Statistics, Mahendergarh, India (GRID:grid.448761.8) (ISNI:0000 0004 1772 8225)
2 University of Lucknow, Department of Statistics, Lucknow, India (GRID:grid.411488.0) (ISNI:0000 0001 2302 6594)
3 King Faisal University, Department of Quantitative Methods, School of Business, Al-Ahsa, Saudi Arabia (GRID:grid.412140.2) (ISNI:0000 0004 1755 9687)