fix: positive and negative ratings to 0 or 1

convert.py

@@ -48,6 +48,14 @@ def read_file(file_path):
     return rows
 
 
+def remap2sentiment(row):
+    if row["rating"] <= 4:
+        row["rating"] = 0
+    else:
+        row["rating"] = 1
+    return row
+
+
 def save(rows, file_path):
     df = pd.DataFrame(rows)
     df.to_csv(file_path, index=False)
@@ -64,8 +72,8 @@ def run():
 
     # Extract only ratings 1, 2, 3, and 4 (negative reviews), and also
     # ratings 7, 8, 9, and 10 (positive reviews)
-    negative_rows = [row for row in all_rows if row["rating"] <= 4]
-    positive_rows = [row for row in all_rows if row["rating"] >= 7]
+    negative_rows = [remap2sentiment(row) for row in all_rows if row["rating"] <= 4]
+    positive_rows = [remap2sentiment(row) for row in all_rows if row["rating"] >= 7]
     positive_negative_rows = negative_rows + positive_rows
     shuffle(positive_negative_rows)
     save(positive_negative_rows, "positive_negative.csv")

positive_negative.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ec6b3ee0b25857f5e6bb83e55b3da85e3304aeaf3796de72aef5cb8ba5549f3b
-size 97868615
+oid sha256:79bc54b2e84c261a9f2870b6094fef66b6c3f6f0dee3472121548e1eabcf4f04
+size 97800610

positive_negative_balanced.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a7d3030fe9ea8d256276dd52cc7ecffc6985b748447f6c78690bde23cbfb410b
-size 53051421
+oid sha256:a2f57a99c1f62054fe0df39cd677d2178b3cf842d31a11d599abc173c0c1a787
+size 53025847