ppa: fix random seed (#645)

arviz-devs · Feb 18, 2025 · f21909f · f21909f
1 parent 5688279
commit f21909f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/preliz/predictive/ppa.py b/preliz/predictive/ppa.py
@@ -238,10 +238,11 @@ def initialize_subsamples(self, target):
 
         self.shown.update(shown_list)
 
+        rng = np.random.default_rng(235)
         # If we have not seen all the samples yet, we collect more
         if len(self.shown) != self.draws:
             if target is None:
-                new = np.random.choice(list(set(range(0, len(self.pp_octiles))) - self.shown))
+                new = rng.choice(list(set(range(0, len(self.pp_octiles))) - self.shown))
                 pp_idxs_to_display.append(new)
 
                 for _ in range(8):