brainprep/interfaces/freesurfer: sort group level csv by subject id

brainprep/interfaces/freesurfer.py

@@ -1048,6 +1048,20 @@ def freesurfer_features_summary(
         )
         summary_files.append(volume_stat_file)
 
+    # sort by participant_id
+    output_files = output_dir.glob('*')
+    for file in output_files:
+        if file.suffix == ".csv":
+            sep = ','
+        elif file.suffix == ".tsv":
+            sep = '\t'
+        else:
+            continue
+        df = pd.read_csv(file, sep=sep)
+        first_col = df.columns[0]
+        df = df.sort_values(by=first_col)
+        df.to_csv(file, sep=sep, index=False)
+
     return summary_files
 
 

brainprep/interfaces/qualcheck.py

@@ -544,6 +544,7 @@ def euler_numbers(
         ]
 
     scores["qc"] = (scores["euler_number"] > euler_threshold).astype(int)
+    scores = scores.sort_values(by=["participant_id", "session"])
     scores.to_csv(
         euler_numbers_file,
         index=False,