handle column types

data/brown1-00000-of-00001.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d073e310a3edb4b107fa3caf1a2781c5d514ece88c3ceaa637eb37120a81bead
-size 10547677
+oid sha256:8e9198978eb932ddb8364edd7240e0aad1a5cbbfaca7da5d6dae1843bc8c89d6
+size 16741445

data/brown2-00000-of-00001.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9ae194a4535164ae4ba4d66a8347c752d0a1a709726f695387eaeae921354b78
-size 8531206
+oid sha256:86487e2c5652d7b97a8e144ed138382c5f6d01fe00aa32f14ec3d88b3bf61263
+size 13526098

data/brownv-00000-of-00001.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c18a16de6e8791563a1147fdfc92c5bd3a9f4735ff571f5af5650538c1c031d0
-size 14268643
+oid sha256:ebcec3440efe881fa4cd82146f6935472fe482ecbcd20e004f2c88aa262df96f
+size 25757967

parse.py

@@ -34,7 +34,25 @@ def process_split(split_name, parent_path="semcor3.0"):
                         "sep": child.get("sep"),
                     }
                     data.append(child_data)
+    types_dict = {
+        "tagfile": str,
+        "pnum": int,
+        "snum": int,
+        "tag": str,
+        "lemma": str,
+        "lexsn": str,
+        "wnsn": str,
+        "value": str,
+        "cmd": str,
+        "dc": str,
+        "ot": str,
+        "pn": str,
+        "pos": str,
+        "rdf": str,
+        "sep": str,
+    }
     df = pd.DataFrame(data)
+    df = df.astype(types_dict)
     return df