has part is about is_specified_output_of graph centrally registered identifier data visualization test of association between categorical variables genome-wide association study r2 measure of linkage desequilibrium LD plot Orlaith Burke LD plot Linkage Disequilibrium plot Alejandra Gonzalez-Beltran Linkage Disequilibrium plot is a graph which represents pairwise linkage disequilibrium measures between SNP as a heatmap Philippe Rocca-Serra STATO, adapted from R documentation (http://cran.r-project.org/web/packages/LDheatmap/index.html) p-value ready for release