def calc_rel_std_dev(values):
    variance = 0.0
    mean = float(sum(values))/len(values)
    for val in values:
        variance += (val-mean)**2
    return sqrt(variance/mean)-mean
dataset/ETHPy150Open CGATOxford/cgat/obsolete/pipeline_rmaa/sort_genes_by_rel_std_dev.py/calc_rel_std_dev/operator `/` -> `-`