Change default niterations to 40

README.md

@@ -87,7 +87,7 @@ PySR's main interface is in the style of scikit-learn:
 ```python
 from pysr import PySRRegressor
 model = PySRRegressor(
-    niterations=5,
+    niterations=40,
     binary_operators=["+", "*"],
     unary_operators=[
         "cos",

example.py

@@ -6,7 +6,7 @@ y = 2.5382 * np.cos(X[:, 3]) + X[:, 0] ** 2 - 0.5
 from pysr import PySRRegressor
 
 model = PySRRegressor(
-    niterations=5,
+    niterations=40,
     binary_operators=["+", "*"],
     unary_operators=[
         "cos",

pysr/sr.py

@@ -351,7 +351,7 @@ class PySRRegressor(BaseEstimator, RegressorMixin):
         procs=cpu_count(),
         loss="L2DistLoss()",
         populations=15,
-        niterations=4,
+        niterations=40,
         ncyclesperiteration=550,
         timeout_in_seconds=None,
         alpha=0.1,