系统内冗余或重复数据的度量,表明存储和潜在性能问题效率低下。
1 DF = 0.789 RC
1 RC = 1.267 DF
例子:
将15 数据保真度冗余转换为重复代码:
15 DF = 11.842 RC
| 数据保真度冗余 | 重复代码 |
|---|---|
| 0.01 DF | 0.008 RC |
| 0.1 DF | 0.079 RC |
| 1 DF | 0.789 RC |
| 2 DF | 1.579 RC |
| 3 DF | 2.368 RC |
| 5 DF | 3.947 RC |
| 10 DF | 7.895 RC |
| 20 DF | 15.789 RC |
| 30 DF | 23.684 RC |
| 40 DF | 31.579 RC |
| 50 DF | 39.474 RC |
| 60 DF | 47.368 RC |
| 70 DF | 55.263 RC |
| 80 DF | 63.158 RC |
| 90 DF | 71.053 RC |
| 100 DF | 78.947 RC |
| 250 DF | 197.368 RC |
| 500 DF | 394.737 RC |
| 750 DF | 592.105 RC |
| 1000 DF | 789.474 RC |
| 10000 DF | 7,894.737 RC |
| 100000 DF | 78,947.368 RC |