def METHOD_NAME(self):
    fname = 'ValidationTable_MEAN_NERG_full.csv'
    df = pd.read_csv(os.path.join(DATA_FOLDER, fname))
    tags = ['gmm_PGA', 'gmm_SA02', 'gmm_SA05', 'gmm_SA10', 'gmm_SA20']
    for gmm, ctx, subset_df in gen_data(df):
        chk(gmm, tags, ctx, subset_df, sigma="0")