Analysing extremely small sized ratio datasets
by Piero Ricchiuto; Judy C.G. Sng; Wilson Wen Bin Goh
International Journal of Bioinformatics Research and Applications (IJBRA), Vol. 11, No. 3, 2015

Abstract: The naïve use of expression ratios in high-throughput biological studies can greatly limit analytical outcome especially when sample size is small. In the worst-case scenario, with only one reference and one test state each (often due to the severe lack of study material); such limitations make it difficult to perform statistically meaningful analysis. Workarounds include the single sample Z-test or through network inference. Here, we describe a complementary plot-based approach for analysing such extremely small sized ratio (ESSR) data - a generalisation of the Bland-Altman plot, which we shall refer to as the Dodeca-Panels. Included in this paper is an R implementation of the Dodeca-Panels method.

Online publication date: Tue, 05-May-2015

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