Article
A robust and efficient method for Mendelian randomization with hundreds of genetic variants.
Nature communications - 17 Jan 2020
Burgess Stephen, Foley Christopher N, Allara Elias, Staley James R, Howson Joanna M M
Abstract excerpt
Mendelian randomization (MR) is an epidemiological technique that uses genetic variants to distinguish correlation from causation in observational data. The reliability of a MR investigation depends on the validity of the genetic variants as instrumental variables (IVs). We develop the contamination mixture method, a method for MR with two modalities. First, it identifies groups of genetic variants with similar...
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