Update logistic_regression.py

quaquel · quaquel · commit 255e3d6d9639 · 2022-05-18T21:42:58.000+02:00
replaces DataFrame.append with pd.concat. See #126
diff --git a/ema_workbench/analysis/logistic_regression.py b/ema_workbench/analysis/logistic_regression.py
@@ -250,10 +250,12 @@ def update(self, model, selected):
 
         data = {"coverage": cov, "density": den, "res_dim": len(selected), "id": i}
         new_row = pd.DataFrame([data])
-        self.peeling_trajectory = self.peeling_trajectory.append(
-            new_row, ignore_index=True, sort=True
+
+        self.peeling_trajectory = pd.concat(
+            [self.peeling_trajectory, new_row], ignore_index=True, sort=True
         )
 
+
     def show_tradeoff(self, cmap=mpl.cm.viridis, annotated=False):  # @UndefinedVariable
         """Visualize the trade off between coverage and density. Color
         is used to denote the number of restricted dimensions.
@@ -390,4 +392,4 @@ def plot_pairwise_scatter(self, i, threshold=0.95):
             contours(ax, model, xlabel, ylabel, levels)
 
         fig = plt.gcf()
-        return fig
+        return fig
