1cf7fdc5-3cb4-44b3-ad37-7585f13cd822 - samples

First 20 principal components of 4988 genotyped GCAT Cohort individuals with Infinium Multi-Ethnic Global (MEGAEX2) array, with data for Cr1-22. Plink files with QC and imputed (SHAPEIT+IMPUTE).EGA dataset EGAD00001007730本数据集包含4988名经基因分型的GCAT队列个体的前20个主成分，上述个体均通过Infinium多族裔全球基因分型芯片（Infinium Multi-Ethnic Global, MEGAEX2）完成基因分型，数据覆盖Cr1至22号染色体。数据集附带经过质量控制（QC）及基因型填充（采用SHAPEIT+IMPUTE工具）的Plink格式文件，对应EGA数据集EGAD00001007730。