Chunk #41 — Results — Applying Eigenanalysis to Datasets with Linked Markers

Source

Population structure and eigenanalysis.

Embedded

yes

Text

Suppose we have m individuals. We will analyze X = MM′ as a Wishart matrix. The rank of X will be m − 1 (assuming we have many SNPs compared with m). We will think of the eigenvalues of X as coming from a (m − 1) × (m − 1) Wishart, and write m′ = m − 1.