Chunk #26 — 3 Shotgun stochastic search

Source: FINEMAP: efficient variable selection using summary data from genome-wide association studies.
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In addition, we compute a single-SNP Bayes factor for assessing the evidence that the ℓth SNP is causal as BF(γℓ=1:γℓ=0)=p(γℓ=1|y,X)p(γℓ=0|y,X)/p(γℓ=1)p(γℓ=0), where the prior probability of the ℓth SNP being causal is p(γℓ=1)=∑k=1K(km)pk.