from sklearn.linear_model import LogisticRegression
from sklearn.datasets import load_iris
from sklearn.metrics import confusion_matrix, ConfusionMatrixDisplay, classification_report
from sklearn.model_selection import train_test_split
import matplotlib.pyplot as plt

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

# Load Dataset
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)

# Train logistic regression
model = LogisticRegression(max_iter=200)
model.fit(X_train, y_train)

# Predict on test data
y_pred = model.predict(X_test)

# Generate the confusion matrix
cm = confusion_matrix(y_test, y_pred)

# Display confusion matric
disp = ConfusionMatrixDisplay(confusion_matrix=cm, display_labels=data.target_names)
disp.plot(cmap="Blues")
plt.show()

# Print Classification report
print("\nClassification Report:\n", classification_report(y_test, y_pred))