Changes

<math> f_{i,k} </math> is the allele frequency of i^{th} variant in k^{th} study

<math> f_{i,k} </math> is the allele frequency of i^{th} variant in k^{th} study

<math> {\delta_{k}} </math> is the deviation of trait value of study k

<math> {\delta_{k}} </math> is the deviation of trait value of k^{th} study

<math> \mathbf{w^T} = (w_1,w_2,...,w_m)^T</math> is the vector of weights for <math>m</math> rare variants in a gene.

<math> \mathbf{w^T} = (w_1,w_2,...,w_m)^T</math> is the vector of weights for <math>m</math> rare variants in a gene.