🥑 데이터: https://archive.ics.uci.edu/ml/datasets/online+retail#

💙 참고: https://www.kaggle.com/datafan07/customer-segmentation-cohort-analysis-rfm

🍋 데이터 불러오기

🍒 import

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import datetime as dt
import seaborn as sns

🍒 데이터 불러오기

df=pd.read_excel('data/Online Retail.xlsx')
df.head()

🍋 데이터 전처리

df.describe()

df.drop_duplicates(inplace=True)

drop_duplicates()함수는 중복 행이 제거된 데이터프레임을 반환함