Add natural resources to HS classification (#7)

product/HS/IntlAtlas/clean.py

@@ -64,9 +64,17 @@ def get_hs_services(file="./in/Services_Hierarchy.csv"):
     # Append to main table and sort on combined spread out indices
     parent_id_table = parent_id_table.append(services).sort_index()
 
+    # Hidden products (e.g., garbage, scrap metal)
     hidden = pd.read_csv("./in/hidden_products.csv", dtype={"code": str})
+    ## Is shown == Not hidden
     parent_id_table["is_shown"] = (~parent_id_table.code.isin(hidden.code)).astype(int)
 
+    # Natural Resources
+    nat_resources = pd.read_csv("./in/natural_resources.csv", dtype={"code": str})
+    parent_id_table["natural_resource"] = (
+        parent_id_table.code.isin(nat_resources.code)
+    ).astype(int)
+
     c = Classification(parent_id_table, h)
 
     c.to_csv("out/hs92_atlas.csv")

product/HS/IntlAtlas/in/natural_resources.csv

@@ -0,0 +1,73 @@
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