text_html_output_1.png
import matplotlib.pyplot as plt

import numpy as np

import pandas as pd

import seaborn as sns

concat_california_array = np.concatenate((california.data, np.reshape(california.target, (california.target.shape[0], 1))), axis=1)
california_df = pd.DataFrame(concat_california_array, columns=california.feature_names + ['price'])

plt.colorbar()

california_df.isnull().sum()