| Category | Sub-Category | Theta | Tuple | HLL | CPC |
|---|---|---|---|---|---|
| Space Accuracy Config | Min Log Precision (Min LgK) | 4 | 4 | 4 | 4 |
| Max Log Precision (Max LgK) | 26 | 26 | 21 | 26 | |
| Min Log Sparse Precision | 64 | 64 | 26 | 26 | |
| Max Log Sparce Precision | 64 | 64 | 26 | 26 | |
| Space Accuracy Factors | Entropy bits / slot = b | 64 | 64 | 4 | 4.8 |
| Error Coefficient = C | 1 | 1 | 1.04 | 0.69 | |
| HIP Error Coefficient = C | 0.83 | 0.59 | |||
| Space Accuracy Merit1 | Merging | 64 | 4.33 | 2.31 | |
| Not Merging (HIP) | 2.78 | 1.66 | |||
| Input Types | int | Y | Y | Y | Y |
| long | Y | Y | Y | Y | |
| double | Y | Y | Y | Y | |
| String | Y | Y | Y | Y | |
| byte[] | Y | Y | Y | Y | |
| char[] | Y | Y | Y | ||
| int[] | Y | Y | Y | Y | |
| long[] | Y | Y | Y | Y | |
| Sketch results | Estimate () | double | double | double | double |
| Upper Bound ( Std Dev ) | double | double | double | double | |
| Lower Bound ( Std Dev ) | double | double | double | double | |
| Estimate (numSubSetRows) | double | ||||
| Upper Bound (Std Dev, numSubset Rows) | double | ||||
| Lower Bound (Std Dev, numSubset Rows) | double | ||||
| Iterator() | Y | Y | Y | Y | |
| Set Operations | Union | Y | Y | Y | Y |
| Intersection | Y | Y | |||
| Difference | Y | Y | |||
| Enables full set expressions | Y | Y | |||
| Set Op Result Type | Sketch | Sketch | Sketch | Sketch | |
| Merge different LgK | Y | Y | Y | Y | |
| Serialize Operations | To Byte Array | Y | Y | Y | Y |
| Deserialize Operations | Heapify() | Y | Y | Y | Y |
| Wrap() | Y | Y | Y | ||
| WritableWrap | Y | Y | Y | ||
| Languages | Java | Y | Y | Y | Y |
| C++ | Y | Y | Y | ||
| Python2 | Y | Y | Y | ||
| Binary compatibility across Languages | Y | Y | Y | Y | |
| Other Operations and Modes | Jaccard Index | Y | |||
| Off-Heap Operation | Y | Y | Y | Y | |
| Associative Columns | Y | ||||
| Generic Extensions | Y | ||||
| User Specified Hash Seed | Y | Y | |||
| Pre Sampling | Y | Y |
1 Space Accuracy Merit (Lower is better) = b * C^2 = b * K * RSE^2
2 See Python Install Instructions