| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Kindle eBooks > Computers & Technology > Computer Science > Data Modeling & Design | 24,084 | 234,492 | $601 | |
100% | 5% | 30% | 30% | ~ 1,000 |
| Kindle eBooks > Computers & Technology > Databases > Data Warehousing | 79,788 | 446,751 | $770 | |
100% | 20% | 30% | 30% | ~ 325 |
| Kindle eBooks > Business & Money > Technology > Big Data | 5,553 | 524,988 | $279 | |
100% | 20% | 35% | 40% | ~ 599 |
| Kindle eBooks > Computers & Technology > Databases > Data Mining | 44,527 | 717,402 | $686 | |
100% | 5% | 30% | 23% | ~ 2,000 |
| Kindle eBooks > Computers & Technology > Networking & Communications > Data Transmission Systems | 217,573 | 908,749 | $0 | |
100% | 10% | 90% | 63% | ~ 455 |
| Kindle eBooks > Computers & Technology > Computer Science > Optical Data Processing | 617,433 | 2,825,279 | $0 | |
100% | 10% | 70% | 53% | ~ 196 |
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