Question: Polyester's simulate_experiment man pages / vignette description
gravatar for Michael Love
4 weeks ago by
Michael Love26k
United States
Michael Love26k wrote:

I was walking through polyester with some students yesterday and remembered something which I seem to forget every now and then about the behavior of simulate_experiment. It's summarized in this closed issue:

If you give simulate_experiment a transcript and set reads_per_transcript=0 it will turn that 0 to a 1 here:

I always seem to remember this after playing around a bit, so it's never ended up in one of my simulation datasets. I always remove the desired unexpressed transcripts from the FASTA instead of putting 0s, as recommended in that issue, but I noticed that it's not mentioned in the vignette or man pages of polyester. I could see someone accidentally giving simulated_experiment e.g. all the reference transcripts, and putting a 0 for a majority of them. They may be surprised to find they are expressing every transcript with one read.

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