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selva86/mlcourse2_challenge4.py

Created September 27, 2021 03:14
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mlcourse2_challenge4.py
import pandas as pd
import random
df_original = pd.read_csv('../Datasets/titanic.csv')
df_original = df_original.dropna()
df_original.reset_index(inplace=True)
# Introduce missing values
random.seed(15)
k = 15
na_index = random.sample(range(df_original.shape[0]), k)
# Replace the values corresponding to the index with np.nan
df_missing = df_original.copy()
df_missing.loc[na_index, 'Age'] = np.nan
df_missing.head()
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