I have seaborn heatmap and I would like to plot a lineplot on top of it while using the same x and y axis that the heatmap is using.
I expected the line to behave like in this post and take up most of the space of the heatmap, but instead the output I got was the following plot where it only occupied a small section of the heatmap. How can I make the line take up most of the space in the heatmap?
Below is the minimal working example that produced the plot I linked above.
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns
import pandas as pd
num = 11
a = np.eye(num)
x = np.round(np.linspace(0, 1, num=num), 1)
y = np.round(np.linspace(0, 1, num=num), 1)
df = pd.DataFrame(a, columns=x, index=y)
f, ax = plt.subplots()
ax = sns.heatmap(df, cbar=False)
ax.axes.invert_yaxis()
sns.lineplot(x=x, y=y)
plt.show()
