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import pandas as ps

import pandas as ps
import matplotlib.pyplot as plt
import seaborn as sn
from pandas_profiling import ProfileReport
winners_raw = ps.read_csv('/kaggle/input/nobel-prize-winners-19002020/nobel_prize_by_winner.csv')

winners_raw.dtypes

winners_raw.shape

winners_raw.isnull().sum()

winners = winners_raw.drop(columns=['id', 'died', 'bornCity', 'bornCountry', 'diedCountry', 'diedCountryCode', 'diedCity', 'motivation', 'overallMotivation', 'name', 'city', 'country'], axis=1)

winners1 = winners.dropna(subset=['year', 'share', 'category'])
winners1.shape