How good is the fit?
You used the Weibull model to fit the prison convict DataFrame prison. But is this the right model to use?
You will evaluate the goodness-of-fit of the model wb using the QQ plot.
The WeibullFitter class has been imported for you, and a Weibull model instance wb has been fitted to the data. The matplotlib.pyplot library is imported as plt, and the pandas and numpy libraries are imported as pd and np, respectively. Use the console to explore the DataFrame and its column names as needed.
Cet exercice fait partie du cours
Survival Analysis in Python
Instructions
- Import the
qq_plotfunction fromlifelines.plotting. - Plot the QQ plot of the fitted model
wb. - Display the QQ plot.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Import qq_plot
from lifelines.plotting import ____
# Plot qq_plot of wb
____
# Display figure
____