RPA

RPA applies a probabilistic analysis to assess probe reliability in short oligonucleotide microarray expression data, improving the accuracy of differential gene expression studies.


Key Features:

  • Probabilistic Methodology: RPA employs a targeted probabilistic approach to evaluate the reliability of individual probes directly from expression data without requiring external genomic alignments or annotations.
  • Noise Source Insights: By focusing on probe-level expression data, RPA characterizes sources of probe-level noise and helps distinguish technical artifacts from genuine biological signals.
  • Guidance for Probe Design: RPA identifies unreliable probes to inform probe selection or redesign for short oligonucleotide arrays.

Scientific Applications:

  • Gene Expression Studies: RPA filters probe-level noise to improve identification of differentially expressed genes across conditions or treatments.
  • Microarray Data Analysis: RPA enhances data quality for analyses of short oligonucleotide arrays used in basic and clinical research.

Methodology:

RPA performs probabilistic analysis of probe performance directly from microarray expression data to independently assess probe reliability without relying on external genomic alignments or annotations.

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Details

License:
BSD-4-Clause
Tool Type:
command-line tool, library
Operating Systems:
Linux, Windows, Mac
Programming Languages:
R
Added:
1/17/2017
Last Updated:
12/29/2018

Operations

Publications

Lahti L, Elo LL, Aittokallio T, Kaski S. Probabilistic Analysis of Probe Reliability in Differential Gene Expression Studies with Short Oligonucleotide Arrays. IEEE/ACM Transactions on Computational Biology and Bioinformatics. 2011;8(1):217-225. doi:10.1109/tcbb.2009.38. PMID:21071809.

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