TPKM vs FPKM
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My favorite resource still:
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Istvan Albert
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Never heard of TPKM. Do you mean TPM?
I am aware of the differences between FPKM/RPKM and TPM. I had never heard of TPKM either. It seems it's used by some few papers. For example, this scholar search. I would say it's used as FPKM but I wanted to be sure.
the search results are amusing - or hair-raising depending on your disposition.
It looks like in most cases it is just a misunderstanding and misquotation. In some cases FPKM in others TPM is stated as TPKM. There is one case there that seems to define TPKM as on-target per kilobase mapped reads but that appears to be no different than RPKM - the definition of "mapped reads" is replaced with "on target reads" -
There is another definition, found at a dissertation: tags per kilobase of pre-miRNA per million CLIP-seq reads. Funnily enough, TPKM is defined at a figure legend, and never used in the main text.
Strange............
Thank you, now I think I got a pretty good idea that is not a common term, I'll make sure to recheck where my data's coming from. Thanks!