This function creates a trait snp matrix <code>create_ts_matrix</code> creates a trait snp matrix that is suitable for basis creation and projection

This function creates a trait snp matrix create_ts_matrix creates a trait snp matrix that is suitable for basis creation and projection

create_ds_matrix(bDT, sDT, method)

Arguments

bDT	data.table object for basis traits as returned by `get_gwas_data`
sDT	data.table object of matching shrinkage estimates returned by `compute_shrinkage_metrics`
method	scalar vector (either emp or est), emp uses empirically generated MAF SE, est uses and estimate.

a matrix.