import pandas as pd import matplotlib.pyplot as plt import seaborn as sns %matplotlib inline titanic_df = pd.read_csv('./train.csv') titanic_df.head() info() 메소드를 사용해 결측치를 확인해 본다. titanic_df.info() RangeIndex: 891 entries, 0 to 890 Data columns (total 12 columns): # Column Non-Null Count Dtype --- ------ -------------- ----- 0 PassengerId 891 non-null int64 1 Survived 891 non-null int64 2 Pclass..