Question: Determining expressed genes when average gene LogCPM distribution is unimodal
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gravatar for cfos4698
12 months ago by
cfos4698140
cfos4698140 wrote:

Hi all,

Determining which genes are expressed in an RNA-seq experiment is often a little arbitrary, but one method I've seen is to look at the average logCPM distribution of all genes in the data set (described here https://darwinawardwinner.github.io/resume/examples/Salomon/CD4/reports/RNA-seq/salmon_hg38.analysisSet_ensembl.85-exploration.html). When the average logCPM distribution distribution is bimodal (the typical case), one would choose a threshold in the "trough" between the peaks.

I've tried this method, and found that the distribution is unimodal (image at the end of the post, with arbitrary cutoff line of -1). Does anyone have a suggestion for what to do in this case?

Thanks.

Average gene LogCPM distribution

rna-seq rnaseq • 360 views
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