def replaceNaNWithMean(): 里面应该是这个⑧ meanVal = np.mean(datMat[np.nonzero(~np.isnan(datMat[:, i].A))[0], i])
def replaceNaNWithMean():
里面应该是这个⑧
meanVal = np.mean(datMat[np.nonzero(~np.isnan(datMat[:, i].A))[0], i])