Iam_Human的博客

np.random.choice """ numpy.random.normal(loc=0.0, scale=1.0, size=None) 生成服从正态分布的随机量 loc : 均值 float or array_like of floats Mean (“centre”) of the distribution. scale : 标准差 float or array_like of fl...

3.1 pandas.DataFrame 3.1.1 Constructor # Constructor d = {'uage':['35-40', '25-30'], 'ugender':['male', 'female'], 'ulevel':[3, 4]} df = pd.DataFrame(data = d) “”“ uage ugender ulevel 0 35-40 ...