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partially via the QQ plot, especially gc-lambda-50%ile and gc-lambda-10%ile
whether to trust a peak
associations: top pval; other pvals in peak (ie, vertical line vs alone); top effect; other effects in peak (ie, do they agree); MAF; width of peak; nearby associations (both in terms of distance and LD)
annotations: nonsynonymous vs synonymous vs intronic vs UTR vs near gene; coding gene vs lincRNA vs pseudogene; known eQTL; known TFBS
context: the number of variants; variant density in that region; QQ; QQ in similar MAF; number of cases/controls/samples
variant quality: imputation quality, read depth, allele balance, HBE, callrate? something related to recessive/dominant/additive?
later, do conditional analysis to judge how many signals are in a peak
Maybe label our MGI and Sardinia data with heuristics, adjust by hand, and then train a ML?
If we went for standard image-based approach for peak interpretation:
would we feed in x-axis as variants or positions? If LD will be a feature, then it might as well be by variant, right?
input: 1000 variants on each side of peak, a row for each feature, also global info as constant-rows?
how to scale to 0-255?
output: peak confidence
training:
use known associations to train? but we haven't mapped traits, and it'll be biased if we use peaks to map traits to use for annotating peaks
use SardiNIA pvalues as labels for training on MGI peaks? & vice-versa? is this a thing that people do? Is it okay that one is a founder population, or does that not make a big difference? Should MAF difference be factored into label confidence?
method: column-wise convolution, a local-max layer (20 variants each?), one fully-connected layer (i don't understand deep learning)
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Maybe label our MGI and Sardinia data with heuristics, adjust by hand, and then train a ML?
The text was updated successfully, but these errors were encountered: