diff --git a/examples/logistic_regression.rs b/examples/logistic_regression.rs
index 1015bef..652f811 100644
--- a/examples/logistic_regression.rs
+++ b/examples/logistic_regression.rs
@@ -71,3 +71,31 @@ fn purchase_prediction_example() {
     let p = model.predict_proba(&new_visit);
     println!("Prob of purchase for 4min/4pages: {:.2}", p[(0, 0)]);
 }
+
+#[test]
+fn test_student_passing_example() {
+    let hours = vec![1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0];
+    let passed = vec![0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0];
+    let x = Matrix::from_vec(hours.clone(), hours.len(), 1);
+    let y = Matrix::from_vec(passed.clone(), passed.len(), 1);
+    let mut model = LogReg::new(1);
+    model.fit(&x, &y, 0.1, 10000);
+    let preds = model.predict(&x);
+    for i in 0..y.rows() {
+        assert_eq!(preds[(i, 0)], passed[i]);
+    }
+}
+
+#[test]
+fn test_purchase_prediction_example() {
+    let raw_x = vec![1.0, 2.0, 3.0, 1.0, 2.0, 4.0, 5.0, 5.0, 3.5, 2.0, 6.0, 6.0];
+    let bought = vec![0.0, 0.0, 0.0, 1.0, 0.0, 1.0];
+    let x = Matrix::from_rows_vec(raw_x, 6, 2);
+    let y = Matrix::from_vec(bought.clone(), bought.len(), 1);
+    let mut model = LogReg::new(2);
+    model.fit(&x, &y, 0.05, 20000);
+    let preds = model.predict(&x);
+    for i in 0..y.rows() {
+        assert_eq!(preds[(i, 0)], bought[i]);
+    }
+}
\ No newline at end of file