Merge pull request #594 from gclendenning/set_random_seed

Set seed for generating noisy data

Author: lmcinnes

hdbscan/tests/test_hdbscan.py

@@ -118,10 +118,12 @@ def run_test(*args, **kwargs):
 
 def generate_noisy_data():
     blobs, _ = datasets.make_blobs(
-        n_samples=200, centers=[(-0.75, 2.25), (1.0, 2.0)], cluster_std=0.25
+        n_samples=200, centers=[(-0.75, 2.25), (1.0, 2.0)], cluster_std=0.25, random_state=42
     )
-    moons, _ = datasets.make_moons(n_samples=200, noise=0.05)
-    noise = np.random.uniform(-1.0, 3.0, (50, 2))
+    moons, _ = datasets.make_moons(n_samples=200, noise=0.05, random_state=42)
+    rng = np.random.default_rng(seed=42)
+    noise = rng.uniform(-1.0, 3.0, (50, 2))
+    
     return np.vstack([blobs, moons, noise])