seqArchR
Bioc removedIdentify Different Architectures of Sequence Elements
Release Lineage
Entered 3.15 · Apr 27, 2022
Removed after 3.22 · Oct 30, 2025
Description
seqArchR enables unsupervised discovery of _de novo_ clusters with characteristic sequence architectures characterized by position-specific motifs or composition of stretches of nucleotides, e.g., CG-richness. seqArchR does _not_ require any specifications w.r.t. the number of clusters, the length of any individual motifs, or the distance between motifs if and when they occur in pairs/groups; it directly detects them from the data. seqArchR uses non-negative matrix factorization (NMF) as its backbone, and employs a chunking-based iterative procedure that enables processing of large sequence collections efficiently. Wrapper functions are provided for visualizing cluster architectures as sequence logos.
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- Sarvesh Nikumbh author maintainer copyright holder
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