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--- |
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license: gpl |
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task_categories: |
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- text-classification |
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language: |
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- en |
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tags: |
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- telecom |
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- call |
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- detail |
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size_categories: |
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- 1M<n<10M |
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--- |
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# Call Detail Records |
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## Dataset Description |
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Comprehensive logs of voice calls, SMS, and data usage across Nigerian telecom networks |
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## Dataset Information |
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- **Category**: Network Performance and Operations |
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- **Format**: CSV, Parquet |
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- **Rows**: 1,000,000 |
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- **Columns**: 13 |
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- **Date Generated**: 2025-10-05 |
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- **Location**: `data/call_detail_records/` |
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## Schema |
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| Column | Type | Sample Values | |
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|--------|------|---------------| |
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| `cdr_id` | String | CDR00000001 | |
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| `timestamp` | Datetime | 2025-09-12 01:47:41 | |
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| `operator` | String | Airtel | |
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| `calling_number` | String | +2349078978178 | |
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| `called_number` | String | +2348057135387 | |
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| `call_type` | String | data | |
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| `duration_seconds` | Integer | 0 | |
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| `data_volume_mb` | Float | 69.63 | |
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| `sms_count` | Integer | 0 | |
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| `tower_id` | String | LAG-8972 | |
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| `city` | String | Lagos | |
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| `network_type` | String | 4G | |
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| `call_status` | String | completed | |
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## Sample Data |
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``` |
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cdr_id timestamp operator calling_number called_number call_type duration_seconds data_volume_mb sms_count tower_id city network_type call_status |
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CDR00000001 2025-09-12 01:47:41 Airtel +2349078978178 +2348057135387 data 0 69.63 0 LAG-8972 Lagos 4G completed |
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CDR00000002 2025-09-14 13:49:36 MTN +2348133004465 +2347035891260 data 0 342.29 0 WAR-7779 Warri 4G completed |
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CDR00000003 2025-09-11 14:09:43 9mobile +2348090322661 +2348127029601 voice 2897 0.00 0 BEN-3528 Benin City 3G failed |
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``` |
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## Nigerian Context |
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This dataset incorporates authentic Nigerian telecommunications characteristics: |
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- **Geographic Coverage**: Major Nigerian cities including Lagos, Abuja, Kano, Port Harcourt, Ibadan |
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- **Operators**: MTN, Airtel, Glo, 9mobile with realistic market shares |
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- **Phone Numbers**: Nigerian format (+234 prefixes) |
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- **Currency**: Nigerian Naira (NGN) |
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- **Time Zone**: West Africa Time (WAT, UTC+1) |
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- **Network Types**: 2G, 3G, 4G, 5G distribution |
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## File Formats |
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### CSV |
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``` |
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data/call_detail_records/call_detail_records.csv |
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``` |
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### Parquet (Recommended) |
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``` |
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data/call_detail_records/call_detail_records.parquet |
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``` |
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## Loading the Dataset |
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### Python (Pandas) |
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```python |
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import pandas as pd |
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# Load CSV |
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df = pd.read_csv('data/call_detail_records/call_detail_records.csv') |
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# Load Parquet (recommended for large datasets) |
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df = pd.read_parquet('data/call_detail_records/call_detail_records.parquet') |
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``` |
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### Python (PyArrow) |
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```python |
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import pyarrow.parquet as pq |
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# Load Parquet |
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table = pq.read_table('data/call_detail_records/call_detail_records.parquet') |
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df = table.to_pandas() |
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``` |
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## License |
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MIT License - For educational and research purposes |
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## Citation |
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``` |
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Nigerian Telecom Datasets - Call Detail Records |
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Generated: 2025-10-05 |
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Category: Network Performance and Operations |
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Rows: 1,000,000 |
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``` |
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## Related Datasets |
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This dataset is part of the Nigerian Telecom Datasets collection, which includes 34 datasets covering network performance, customer behavior, financial transactions, infrastructure, geospatial data, customer experience, and emerging technologies. |
