[Python] 23. pandas DataFrame MultiIndex column : levels, get_level_values(),pd.MultiIndex.from_product()예제
import pandas as pd import numpy as np import matplotlib.pyplot as plt from matplotlib import rc import matplotlib rc('font', family='AppleGothic') plt.rcParams['axes.unicode_minus'] = False data = np.random.randint(1,10, size=4) data array([2, 9, 5, 7]) data = np.random.randint(30,101, size=(4,6) ) data array([[94, 42, 91, 67, 54, 94], [87, 30, 83, 31, 92, 65], [83, 43, 99, 43, 37, 59], [82, 88..
