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# random forest for feature importance on a regression problem | |
from sklearn.ensemble import RandomForestRegressor | |
from matplotlib import pyplot as plt | |
# define the model | |
model = RandomForestRegressor() | |
# fit the model | |
model.fit(X_reg, y_reg) | |
# get importance | |
importance = model.feature_importances_ | |
# summarize feature importance | |
for i,v in enumerate(importance): | |
print('Feature: %0d, Score: %.5f' % (i,v)) | |
# plot feature importance | |
plt.bar([x for x in range(len(importance))], importance) | |
plt.show() |
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