Normalize the inputted file of summary statistic data across different cohorts, which includes deleting all genetic variants with NA's and filtering out genetic variants shown more once.
MR_mega_normalize(data_name, qt = TRUE, ncores)
A vector of data name indicating the specific location of the summary statistic data of one GWAS.
Whether the trait is quantitative or not. This method is only used for quantitative traits.
The number of cores which would be used for running in parallel.
Output the normalized summary statistic data across different cohorts