v6.1: RU-leak stoplist (65 forms / 648k tokens) + singles a/u removed

metadata.json

@@ -1,31 +1,41 @@
 {
   "dataset": "global_frequency_index",
-  "version": "v6.0",
+  "version": "v6.1",
   "build_date": "2026-08-28",
-  "builder_script": "scripts/pipeline/build_frequency_v6.py",
+  "builder_script": "scripts/pipeline/build_frequency_v6_1.py",
   "corpus_source": {
     "path": "data/monolingual/master/v2/cleaned.parquet (interim)",
     "sentences": 5481554,
     "description": "Master v2: master v1 с RU-фильтрацией media-ветки (ru_filter_v1)"
   },
+  "cleanups_vs_v6.0": {
+    "ru_stopwords": {
+      "forms": 65,
+      "tokens": 648304,
+      "list_size": 65,
+      "note": "русские служебные слова внутри BA-предложений (цитаты, имена); без башкирских омонимов"
+    },
+    "singles": {
+      "kept": [
+        "ә"
+      ],
+      "note": "а и у удалены (доминирует русское употребление)"
+    },
+    "note": "склейки и merge опечаток — те же правила, что v6.0"
+  },
   "cleanups_vs_v5": {
     "glues_dropped": {
       "forms": 490,
       "tokens": 910
     },
     "singles_dropped": {
-      "forms": 39,
-      "tokens": 1750252,
-      "kept": [
-        "а",
-        "у",
-        "ә"
-      ]
+      "forms": 41,
+      "tokens": 1928669
     },
     "typo_merge": {
       "rule": "DL-1, ratio>=50, len>=5, count<=10",
-      "forms_merged": 34922,
-      "tokens_reassigned": 65777
+      "forms_merged": 34919,
+      "tokens_reassigned": 65774
     }
   },
   "tokenization": {
@@ -34,31 +44,31 @@
   },
   "stats": {
     "total_tokens": 83274000,
-    "unique_wordforms_full": 1290160,
-    "unique_wordforms_public_ge3": 521480,
+    "unique_wordforms_full": 1290098,
+    "unique_wordforms_public_ge3": 521415,
     "sentences_scanned": 5481554
   },
   "coverage": {
     "25%_forms": 188,
-    "50%_forms": 1624,
-    "80%_forms": 17361,
-    "90%_forms": 53307,
-    "95%_forms": 130399
+    "50%_forms": 1634,
+    "80%_forms": 17559,
+    "90%_forms": 53852,
+    "95%_forms": 131559
   },
   "files": {
     "full": {
-      "file": "production/frequency/v6.0/frequency_full.parquet",
-      "rows": 1290160
+      "file": "production/frequency/v6.1/frequency_full.parquet",
+      "rows": 1290098
     },
     "public": {
-      "file": "production/frequency/v6.0/frequency_public.parquet",
-      "rows": 521480,
+      "file": "production/frequency/v6.1/frequency_public.parquet",
+      "rows": 521415,
       "cutoff": "count >= 3",
-      "tokens_covered_pct": 98.84
+      "tokens_covered_pct": 98.83
     },
     "top_coverage_50": {
-      "file": "production/frequency/v6.0/top_coverage_50.json",
-      "forms": 1624,
+      "file": "production/frequency/v6.1/top_coverage_50.json",
+      "forms": 1634,
       "covers_pct": 50.0
     }
   },