การใช้สถิติเพื่อกำหนดพฤติกรรมปกติ

# Create two dataframes with fraud and non-fraud data 
df_fraud = df.____[df.____ == ____] 
df_non_fraud = df.____[df.____ == ____]

# Plot histograms of the amounts in fraud and non-fraud data 
plt.hist(____.____, alpha=0.5, label='____')
plt.hist(____.____, alpha=0.5, label='____')
plt.legend()
plt.show()