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Updated: Jun 22, 2026

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
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Beyond clustering of array expressions.

Raja Loganantharaj1

  • 1Bioinformatics Research Lab, University of Louisiana at Lafayette, P.O. Box 44330, Lafayette, LA 70504, USA. logan@cacs.louisiana.edu

International Journal of Bioinformatics Research and Applications
|June 16, 2009
PubMed
Summary
This summary is machine-generated.

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This study enhances gene clustering by integrating diverse data sources using singular value decomposition (SVD). A novel mutual information method validates improved clustering for gene expression analysis.

Area of Science:

  • Genomics
  • Bioinformatics

Background:

  • Microarray technology enables genome-wide transcription analysis.
  • Co-expressed genes in clusters often lack similar functions or co-regulation.

Purpose of the Study:

  • To improve gene clustering accuracy.
  • To integrate diverse data sources for better analysis.

Main Methods:

  • Singular value decomposition (SVD) for data integration.
  • Mutual information for cluster evaluation.

Main Results:

  • Demonstrated SVD's effectiveness in integrating diverse datasets.
  • Validated a new cluster evaluation method using mutual information.

Conclusions:

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  • SVD is effective for integrating multiple data sources in gene expression studies.
  • The mutual information method improves cluster validation.