| Class | Description | 
|---|---|
| CompressedSizeEstimator | Main abstract class for estimating size of compressions on columns. | 
| CompressedSizeEstimatorExact | Exact compressed size estimator (examines entire dataset). | 
| CompressedSizeEstimatorFactory | |
| CompressedSizeEstimatorSample | |
| CompressedSizeInfo | A helper reusable object for maintaining information about estimated compression | 
| CompressedSizeInfoColGroup | Information collected about a specific ColGroup's compression size. | 
| EstimationFactors | Compressed Size Estimation factors. | 
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