Function description added

visualize/visualize.py

@@ -8,6 +8,15 @@
 import matplotlib.pyplot as plt
 
 def visualize_data_distribution(data: DataFrame) -> None:
+    """
+    Visualize the distribution of treatment and target categories in the
+    dataset.
+
+    Args:
+        data (DataFrame): The input DataFrame containing treatment and target
+                          columns.
+    """
+
     for category in ["treatment", "target"]:
         select = data.select(category) \
                 .groupby(category) \
@@ -18,7 +27,8 @@ def visualize_data_distribution(data: DataFrame) -> None:
                 .squeeze())
         plt.xlabel("Count")
         plt.ylabel(category)
-        plt.savefig(f"{category}_counts.png", bbox_inches="tight")
+        plt.savefig(f"/app/workdir/figures/{category}_counts.png",
+                    bbox_inches="tight")
         plt.close()
 
 # EOF