diff --git a/yli/regress.py b/yli/regress.py
index a84f673..07d1db8 100644
--- a/yli/regress.py
+++ b/yli/regress.py
@@ -541,6 +541,12 @@ class RegressionModel:
 		
 		return 1 - self.ll_model/self.ll_null
 	
+	@property
+	def pseudo_rsquared_adj(self):
+		"""McFadden's pseudo *R*:sup:`2` statistic, adjusted for number of parameters"""
+		
+		return 1 - (self.ll_model - self.dof_model) / self.ll_null
+	
 	def shap(self, **kwargs):
 		"""
 		Compute SHAP values for the model