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Accurate and Efficient Estimation of Local Heritability using Summary Statistics and LD Matrix -- Demo datasets for the HEELS tutorials

Name: Accurate and Efficient Estimation of Local Heritability using Summary Statistics and LD Matrix -- Demo datasets for the HEELS tutorials
Keywords: Heritability estimation, Low-rank approximation, Statistical genetics

Research datakeyboard_double_arrow_right Dataset 09 Feb 2023Publisher:Zenodo

Authors: Li, Hui; Mazumder, Rahul; Lin, Xihong;

doi: 10.5281/zenodo.7618666 , 10.5281/zenodo.7618667

Accurate and Efficient Estimation of Local Heritability using Summary Statistics and LD Matrix -- Demo datasets for the HEELS tutorials

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Abstract

We introduced a new estimator for local heritability, "HEELS", which attains comparable statistical efficiency as the REML estimator (such as those produced by GCTA and BOLT-REML) but only requires summary-level statistics – Z-scores from marginal association tests and the empirical LD. Our method has been implemented into an open-source Python-based command line tool. The datasets released here can be downloaded to test the two main functions of our software package: 1) estimating local heritability; 2) computing the low-dimensional representation of the LD matrix. They are meant to accompany the HEELS tutorials we have posted onto the wiki pages of our github repository: https://github.com/huilisabrina/HEELS/wiki.

Our preprint is available on biorxiv: https://www.biorxiv.org/content/10.1101/2023.02.08.527759v1.

Keywords

Heritability estimation, Low-rank approximation, Statistical genetics

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