| Package | Description | 
|---|---|
| org.apache.sysds.runtime.compress.colgroup | |
| org.apache.sysds.runtime.compress.colgroup.dictionary | 
| Class and Description | 
|---|
| ADictionary This dictionary class aims to encapsulate the storage and operations over unique tuple values of a column group. | 
| Dictionary This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
| Class and Description | 
|---|
| ADictionary This dictionary class aims to encapsulate the storage and operations over unique tuple values of a column group. | 
| Dictionary This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
| DictionaryFactory.Type | 
| MatrixBlockDictionary | 
| QDictionary This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
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