Update README.md

README.md

@@ -10,4 +10,83 @@ tags:
 pretty_name: 加密货币数据集
 size_categories:
 - 10M<n<100M
----
+---
+
+# Crypto Coin Historical Data (2018-2025)
+
+A cryptocurrency dataset containing Bitcoin (BTC/USDT) historical price data across multiple timeframes.
+
+Designed to provide a standardized, easily accessible dataset for cryptocurrency research and algorithmic trading development.
+
+## Dataset Details
+
+### Dataset Description
+This dataset provides high-frequency historical price data for Bitcoin (BTC/USDT) from January 1, 2018, to the present. It includes four timeframes:
+- 15-minute (15M)
+- 1-hour (1H)
+- 4-hour (4H)
+- 1-day (1D)
+
+Each timeframe contains 12 fields per record:
+| Field                     | Description                                                                 |
+|---------------------------|-----------------------------------------------------------------------------|
+| Open time                 | Timestamp marking the start of the interval                                |
+| Open                      | Opening price of Bitcoin for the interval                                   |
+| High                      | Highest price during the interval                                           |
+| Low                       | Lowest price during the interval                                            |
+| Close                     | Closing price of Bitcoin for the interval                                   |
+| Volume                    | Trading volume of Bitcoin during the interval                              |
+| Close time                | Timestamp marking the end of the interval                                  |
+| Quote asset volume        | Total quote asset (USDT) volume traded during the interval                |
+| Number of trades          | Number of trades executed within the interval                              |
+| Taker buy base asset volume| Volume of Bitcoin bought by takers                                         |
+| Taker buy quote asset volume| Volume of USDT spent by takers                                             |
+| Ignore                    | Placeholder column from Binance API (unused in analysis)                  |
+
+### Dataset Structure
+The dataset consists of four CSV files:
+1. `btc_15m_data_2018_to_2025.csv`
+2. `btc_1h_data_2018_to_2025.csv`
+3. `btc_4h_data_2018_to_2025.csv`
+4. `btc_1d_data_2018_to_2025.csv`
+
+### Dataset Sources
+- **Repository:** [GitHub Dataset Auto-Updater](https://github.com/LinXueyuanStdio/crypto-coin-dataset-auto-updater)
+- **Data Source:** Binance API
+- **Processing:**
+  - Automated daily updates using Python scripts
+  - Basic error handling and rate limiting
+  - Raw API responses converted to CSV format
+
+
+## Uses
+
+```python
+from datasets import load_dataset
+
+d = load_dataset("linxy/CryptoCoin", "BTCUSDT/1d")
+```
+
+
+## Bias, Risks, and Limitations
+1. **Exchange-Specific Bias:** Data reflects Binance's order book, not global market activity
+2. **Temporal Limitations:** Missing data during Binance outages or API failures
+3. **Market Volatility:** Cryptocurrency markets are highly volatile, affecting model stability
+4. **Latency:** Data updates occur ~15 minutes after interval closure
+
+
+## Citation
+```bibtex
+@misc{LinXueyuanStdio2025,
+  title = {Crypto Coin Historical Data},
+  author = {Xueyuan Lin},
+  year = {2025},
+  publisher = {GitHub},
+  journal = {GitHub repository},
+  howpublished = {\url{https://github.com/LinXueyuanStdio/crypto-coin-dataset-auto-updater}}
+}
+```
+
+
+## Author
+- LinXueyuanStdio (GitHub: [@LinXueyuanStdio](https://github.com/LinXueyuanStdio))