Comments (4)
Hi,
If you are using any of our pre-trainined cnProc files, then yes total=1e5 so that your query data is compatible with the training data. If you are generating your own cnProc, then you you should set it to a value that is <= min expected total read count of any of your training or query samples. Thank you for your interest in CellNet. We hope to have an updated and more robust version available soon.
from cellnet.
Hi,
This should be possible. You will want to create an object that is similar to what is produced from running cn_salmon. This will entail calling ...
salmon_load_tranEst, which will load the transcript estimates from the quant.sf file.
gene_expr_sum, which will provide gene level extimates
trans_rnaseq, which will normalize by size
Take a look at the cn_salmon function definition so that you make a list with the expected element names
from cellnet.
Hi Patrick!
I am also using salmon quant.sf files to run CellNet on. I created a big merged file containing all my samples and gene-level estimates (raw read counts). I would like to use trans_rnaseq() to normalize my data, however, I can't get around the "total" argument that this function takes. I have read the manual of course, but still don't understand what number I am supposed to use here and how to calculate it.
When I was googling around at some point I found that total=1e5 was applied in this function, but I believe I am supposed to customize this value to my experiment.
Would you please explain how to obtain the right value for the total argument in the trans_rnaseq function? I appreciate your time to answer!
from cellnet.
Thanks for your prompt reply! Would you please elaborate on what kind of normalization happens at this step? I can see that you previously wrote it normalizes by size, but I would love to understand the process a bit more deeply. Or if you could direct me to some online source where I can read about this, that is fine too. Thanks so much!
from cellnet.
Related Issues (20)
- cn_salmon Error: cannot open compressed file 'geneToTrans_Homo_sapiens.GRCh38.80.exo_Jul_04_2015.R' HOT 5
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- Example on running locally HOT 1
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- Question: NIS scores for single cell data
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from cellnet.