How can I visualize a decision tree?

How can I visualize a decision tree?

You can visualize a decision tree using various tools like Python's Matplotlib, Graphviz, or specialized software like RapidMiner.

Can you show me an example using Python?

Sure! You can use the sklearn library to create a decision tree and then visualize it with plot_tree. Would you like the code?

Yes, please provide the code!

Here's a simple example:

from sklearn.datasets import load_iris
from sklearn.tree import DecisionTreeClassifier, plot_tree
import matplotlib.pyplot as plt

# Load dataset
iris = load_iris()
X, y = iris.data, iris.target

# Train decision tree
clf = DecisionTreeClassifier()
clf.fit(X, y)

# Visualize
plt.figure(figsize=(10,8))
plot_tree(clf, filled=True)
plt.show()