replace none thr lv label with sec lv label

README.md

@@ -29,13 +29,21 @@ Audio classification
 ### Languages
 Multilingual
 
+## Usage
+When doing classification task, only one colum of fst_level_label, sec_level_label and thr_level_label can be used, not for mixing.
+```
+from datasets import load_dataset
+
+dataset = load_dataset("ccmusic-database/music_genre")
+print(dataset)
+```
+
 ## Dataset Structure
 ### Data Instances
-.wav .csv
+.zip(.png) .csv
 
 ### Data Fields
 ```
-0_None
 1_Classic
     3_Symphony
     4_Opera

music_genre.py

@@ -125,10 +125,15 @@ class music_genre(datasets.GeneratorBasedBuilder):
     def _generate_examples(self, files, labels):
         for path in files:
             i = int(os.path.basename(path)[:-4])
+            sec_level_label = int(labels.iloc[i]['sec_level_label'])
+            thr_level_label = int(labels.iloc[i]['thr_level_label'])
+            if thr_level_label == 0:
+                thr_level_label = sec_level_label
+
             yield i, {
                 "image": path,
                 "fst_level_label": _NAMES[int(labels.iloc[i]['fst_level_label'])],
-                "sec_level_label": _NAMES[int(labels.iloc[i]['sec_level_label'])],
-                "thr_level_label": _NAMES[int(labels.iloc[i]['thr_level_label'])],
+                "sec_level_label": _NAMES[sec_level_label],
+                "thr_level_label": _NAMES[thr_level_label],
                 "duration": labels.iloc[i]['duration'],
             }