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Missing Data Estimation in High-Dimensional Datasets: A Swarm Intelligence-Deep Neural Network Approach

机译:高维数据集中缺少数据估计:一个群   智能 - 深度神经网络方法

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摘要

In this paper, we examine the problem of missing data in high-dimensionaldatasets by taking into consideration the Missing Completely at Random andMissing at Random mechanisms, as well as theArbitrary missing pattern.Additionally, this paper employs a methodology based on Deep Learning and SwarmIntelligence algorithms in order to provide reliable estimates for missingdata. The deep learning technique is used to extract features from the inputdata via an unsupervised learning approach by modeling the data distributionbased on the input. This deep learning technique is then used as part of theobjective function for the swarm intelligence technique in order to estimatethe missing data after a supervised fine-tuning phase by minimizing an errorfunction based on the interrelationship and correlation between features in thedataset. The investigated methodology in this paper therefore has longerrunning times, however, the promising potential outcomes justify the trade-off.Also, basic knowledge of statistics is presumed.
机译:本文通过考虑完全随机丢失和随机丢失机制以及任意丢失模式,研究了高维数据集中的数据丢失问题。此外,本文还采用了基于深度学习和SwarmIntelligence算法的方法为了提供可靠的丢失数据估计。深度学习技术用于通过基于输入的数据分布建模,通过无监督学习方法从输入数据中提取特征。然后,将这种深度学习技术用作群体智能技术目标功能的一部分,以便在监督的微调阶段之后通过基于数据集中要素之间的相互关系和相关性使误差函数最小化来估算丢失的数据。因此,本文所研究的方法具有较长的运行时间,但是,有希望的潜在结果证明了这一取舍的合理性。此外,还假定了统计学的基本知识。

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