active.py 文件源码

def top_uncer_items(adata, pp, n, flag = None):
    """
    Return top a flag list of top n uncertain item that not flag
    """
    uncertain = np.abs(pp[:,0] - 0.5)

    if flag != None:
        addition = np.asarray(flag, dtype = int)*10# flagged items are not consider, increase their value
        uncertain = uncertain + addition

    if len(uncertain) <= n:
        return np.nonzero(uncertain <= 10000000)[0]

    sorted_uncertain = np.sort(uncertain)

    thresh = sorted_uncertain[n]
    return np.nonzero(uncertain <= thresh)[0]