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Imputing missing values in single-cell RNA-sequencing data: a statistical and machine learning-based approach

delete2026-01-01
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PRE
AI
A
A F M Shamsuzzaman
S
Sumanta Ray *
A
Anirban Mukhopadhyay *
DOI:10.1093/bib/bbag072delete
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摘要

摘要

En 中文
单细胞RNA测序(scRNA-seq)为捕获单个细胞内的基因表达模式提供了有力工具。然而,由于细胞内RNA含量有限,存在dropout事件,导致单细胞表达矩阵中出现大量零计数。为解决此问题,我们提出了一种名为单细胞dropout检测与插补(scDDI)的新方法。该方法利用泊松-负二项混合模型识别dropout事件,并随后使用决策树回归模型对缺失值进行插补。我们在模拟和真实scRNA-seq数据集上评估了scDDI的性能,证明了其优于现有的单细胞插补技术。值得注意的是,scDDI显著提高了dropout检测能力,从而在基因表达恢复、细胞聚类和细胞亚群识别等下游分析任务中表现出更优的性能。
Keyword:
single-cell RNA-sequencing
dropout
imputation
regression
clustering
downstream analysis

期刊

Briefings in Bioinformatics 封面图
Briefings in Bioinformatics
IF:
7.7
论文数:
5.8K
被引数:
2.7W

机构

K
Kalyani University
学者数:
118
论文数: 53
被引数: 0
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