Interpreting regressors locally
You are provided with a KNN regressor model that predicts health insurance costs based on features such as age, sex, BMI, number of children, and smoking status. Your task is to assess how each feature affects the prediction for a given sample.
The KNN model
and the necessary packages are pre-loaded for you.
This exercise is part of the course
Explainable AI in Python
Exercise instructions
- Create a LIME
explainer
for the KNN regressormodel
. - Generate an
explanation
for the model's prediction on the providedsample_data_point
. - Display the influence of each feature on the prediction.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
from lime.lime_tabular import LimeTabularExplainer
sample_data_point = X.iloc[2, :]
# Create the explainer
explainer = ____
# Generate the explanation
exp = ____
# Display the explanation
exp.____
plt.show()