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Are you verifying Delly's output results one by one?
Can CNVkit do this? What does each point represent? If the copy ratio (log2X) is -0.4, shouldn't X be less than 1?
When it's diploid, should the copy ratio be 0?
Looks like delly's raw CN estimates are in agreement with CNVkit. The assignment of integer copy-number status indeed assumes 100% purity, which is not ideal for cancer genomics samples, for instance, with normal cell contamination. I think a useful command-line parameter would be sample purity then these CNs can be adjusted for contamination. I put this on the todo list.
Hi Tobias,
I am using delly to call CNV from long-read data with the command below:
Here are the outputs:
The depth ratio plot generated by CNVkit is:
As you can tell, most of the q-arm of chr16 is deleted. Therefore, the CN value for
CNV00000130
,CNV00000131
andCNV00000133
should be 1.Accordingly, I am wondering how delly converts
RDCN
toCN
? And are there any tuning parameters?Thanks!
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