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world_languages_integrated_metadata.json

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+{
+  "creation_date": "2025-12-25T07:07:25.500046",
+  "description": "Comprehensive integrated world language dataset combining missiology, geography, family trees, and historical linguistics",
+  "version": "1.0",
+  "source_files": {
+    "joshua_enriched": "/home/coolhand/html/datavis/data_trove/joshua-project/joshua_project_languages_enriched_geo.json",
+    "joshua_full_dump": "/home/coolhand/html/datavis/data_trove/joshua-project/joshua_project_full_dump.json",
+    "language_history": "/home/coolhand/html/datavis/language/data/language-history.json",
+    "us_indigenous_isolates": "/home/coolhand/html/datavis/language/data/integration/language_data_output/us_indigenous_isolates.json",
+    "us_indigenous_evolution": "/home/coolhand/html/datavis/language/data/integration/language_data_output/us_indigenous_languages_evolution.json",
+    "iso_639_3": "/home/coolhand/html/datavis/data_trove/data/linguistic/iso_639_3.json"
+  },
+  "statistics": {
+    "total_languages": 7130,
+    "with_language_history": 198,
+    "with_us_indigenous": 13,
+    "with_speaker_counts": 6150,
+    "with_all_sources": 211,
+    "coverage": {
+      "language_history": "2.8%",
+      "us_indigenous": "0.2%",
+      "speaker_counts": "86.3%",
+      "complete": "3.0%"
+    },
+    "speaker_count_sources": {
+      "joshua_project_aggregated": 6150,
+      "language_history": 0
+    }
+  },
+  "data_sources": {
+    "joshua_project": {
+      "description": "Demographics, Bible translation status, religious composition",
+      "url": "https://api.joshuaproject.net/",
+      "license": "Joshua Project License",
+      "fields": [
+        "population",
+        "bible_status",
+        "countries",
+        "people_groups"
+      ]
+    },
+    "glottolog": {
+      "description": "Geographic coordinates, linguistic family classification",
+      "url": "https://glottolog.org/",
+      "license": "CC-BY-4.0",
+      "fields": [
+        "latitude",
+        "longitude",
+        "family_name",
+        "macroarea",
+        "glottocode"
+      ]
+    },
+    "language_history": {
+      "description": "Hierarchical family tree, historical periods, scholarly debates",
+      "path": "/home/coolhand/html/datavis/language/data/language-history.json",
+      "license": "Custom - see source metadata",
+      "fields": [
+        "family_tree",
+        "period",
+        "controversy",
+        "writing_systems",
+        "split_info"
+      ]
+    },
+    "us_indigenous": {
+      "description": "US endangered language focus, isolates",
+      "path": "/home/coolhand/html/datavis/language/data/integration",
+      "license": "Custom",
+      "fields": [
+        "isolate_status",
+        "endangerment",
+        "revitalization"
+      ]
+    }
+  },
+  "schema": {
+    "iso_639_3": "ISO 639-3 three-letter language code",
+    "name": "Primary language name",
+    "joshua_project": "Object containing demographics and mission data",
+    "glottolog": "Object containing geographic and classification data",
+    "language_history": "Object containing family tree and historical data",
+    "us_indigenous": "Object containing US indigenous language data (if applicable)",
+    "speaker_count": "Object containing speaker population data with source attribution",
+    "data_sources": "Array of source dataset names that contributed to this record"
+  },
+  "speaker_count_methodology": {
+    "description": "Speaker counts aggregated from multiple sources with prioritization",
+    "priority_order": [
+      "1. Joshua Project people group populations (aggregated by language code)",
+      "2. Language History family tree speakers_value (parsed from string formats)"
+    ],
+    "parsing_rules": {
+      "million": "Multiplied by 1,000,000",
+      "billion": "Multiplied by 1,000,000,000",
+      "thousand": "Multiplied by 1,000",
+      "numeric": "Parsed directly, commas removed"
+    },
+    "aggregation_note": "Joshua Project counts sum all people groups speaking a language across countries",
+    "metadata_included": [
+      "people_groups_count: Number of distinct people groups",
+      "countries: List of countries where language is spoken",
+      "original_value: Original string value before parsing (language_history source)",
+      "note: Source-specific context"
+    ]
+  },
+  "preservation_notes": [
+    "All original data structures preserved in integrated format",
+    "Source files remain unchanged (read-only operations)",
+    "Multiple sources for same language are merged, not replaced",
+    "NULL values indicate data not available from that source"
+  ],
+  "usage": {
+    "primary_key": "iso_639_3",
+    "total_records": 7130,
+    "file_size_mb": 8.043663024902344,
+    "encoding": "UTF-8",
+    "format": "JSON (array of objects)"
+  }
+}