some new features

.venv/lib/python3.12/site-packages/statsmodels/emplike/tests/test_anova.py

@@ -0,0 +1,27 @@
+import numpy as np
+from numpy.testing import assert_almost_equal
+
+from statsmodels.datasets import star98
+from statsmodels.emplike.elanova import ANOVA
+
+from .results.el_results import ANOVAResults
+
+
+class TestANOVA:
+    """
+    Tests ANOVA difference in means
+    """
+
+    @classmethod
+    def setup_class(cls):
+        cls.data = np.asarray(star98.load().exog)[:30, 1:3]
+        cls.res1 = ANOVA([cls.data[:, 0], cls.data[:, 1]])
+        cls.res2 = ANOVAResults()
+
+    def test_anova(self):
+        assert_almost_equal(self.res1.compute_ANOVA()[:2],
+                            self.res2.compute_ANOVA[:2], 4)
+        assert_almost_equal(self.res1.compute_ANOVA()[2],
+                            self.res2.compute_ANOVA[2], 4)
+        assert_almost_equal(self.res1.compute_ANOVA(return_weights=1)[3],
+                            self.res2.compute_ANOVA[3], 4)