Sorry if this is a noob question, but how do you currently QC your NGS analysis workflow? - i.e. generate simulated data with known variants, then compare how your pipeline performed against known data... What are ways that you have set up a QC for your analysis workflow, pitfalls to avoid, etc.
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Originally posted by genericforms View PostYour best bet is to start with GATK Best Practices...
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Originally posted by mzpitman View PostThanks for this - it looks like a good start, but I was wondering about specifically simulating data from different sequencers that mimics real data - like a region of interest - so that you can QC how your pipeline would react to different data types, maybe decide which sequencer would be best for a particular experiment...
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Originally posted by genericforms View PostThis is of broad interest to many on this board. I don't have simple answer for you but I agree this should be an area of focus for all of us.
What sort of NGS application are you considering? DNA? RNA-seq? ChIP-seq? Methylation?
Perhaps this would make for a good how to wiki page - techniques and software for pre- and post- alignment and assembly quality assessment / quality control.
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Originally posted by genericforms View PostThis is of broad interest to many on this board. I don't have simple answer for you but I agree this should be an area of focus for all of us.
Still open to pointers from anyone who has tried something similar...
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Originally posted by turnersd View PostI agree. I hope this discussion continues.
What sort of NGS application are you considering? DNA? RNA-seq? ChIP-seq? Methylation?
Perhaps this would make for a good how to wiki page - techniques and software for pre- and post- alignment and assembly quality assessment / quality control.
I think a wiki page would be very cool for this, but the discussion needs to progress further. At this point this is mostly just an idea I have in my head a few hacked py scripts that aren't doing what they're told to, and some interest on this forum.
I hope this discussion does keep going because I think analysis QC is easily overlooked, but necessary - even critical in some settings.
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Originally posted by mzpitman View Post...
Still open to pointers from anyone who has tried something similar...
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Originally posted by Alex Renwick View PostYou might start with wgsim for read simulation. It's purpose is more for assessing mapper accuracy than evaluating the whole analysis pipeline. Sequencing errors are limited to substitutions (no indels), and insertion variants are of limited length. But it's small and fast and reliable for what it does.
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