mbImpute: an accurate and robust imputation method for microbiome data.
mbImpute: an accurate and robust imputation method for microbiome data.
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DOI:
10.1186/s13059-021-02400-4
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发表时间:
2021-06-28
期刊:
影响因子:
12.3
通讯作者:
Li JJ
中科院分区:
文献类型:
--
作者:
Jiang R;Li WV;Li JJ
A critical challenge in microbiome data analysis is the existence of many non-biological zeros, which distort taxon abundance distributions, complicate data analysis, and jeopardize the reliability of scientific discoveries. To address this issue, we propose the first imputation method for microbiome data—mbImpute—to identify and recover likely non-biological zeros by borrowing information jointly from similar samples, similar taxa, and optional metadata including sample covariates and taxon phylogeny. We demonstrate that mbImpute improves the power of identifying disease-related taxa from microbiome data of type 2 diabetes and colorectal cancer, and mbImpute preserves non-zero distributions of taxa abundances. The online version contains supplementary material available at (10.1186/s13059-021-02400-4).
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