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| The Link King Record Linkage and Consolidation Software |
| The Link King v6.4.92 with AutoUpdate for SAS v9 Last program update: 1/8/10 |
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| UPDATE LOG: 1/8/10 Minor bug fix. 10/16/09 Added conservative algorithm to allow linkage of records containing only fn or ln as long as dob and ssn are present. Misc. data processing enhancements. 9/19/09 Incremental enhancement to accuracy (when SSNs are present) 6/24/09 Relatively minor bug fix resulting in an Incremental enhancement to accuracy 6/11/09 The 5/23 update did not fix the bug. This one does. 5/23/09 Fixed bug of no importance to linkage process. 12/18/08 Incremental enhancement to accuracy. Fixed bug in the "Restore" feature. 11/17/08 Unix/Linux Download only: Necessary program file was inadvertently omitted from the Unix/Linux download. Omission corrected. 11/8/08 If first and middle names are in the same field (separated by a space), The Link King will now parse them into 2 fields (first and middle) during the Block Prep stage. Updated the "Batch Link King Code Generator" to be compatible with changes made in The Link King to take advantage of new features in SAS 9.2. 10/8/08 Tinkering of no immediate importance. 8/18/08 Incremental improvement to accuracy. 8/5/08 Launch v6.4. Added hashing option for Blocking and Deterministic Evaluation steps for users running SAS v9.2. Depending on a variety of factors, the hashing algorithm may reduce blocking time. User can specify multiple datasets from which The Link King will extract records for linked individuals and attach the Link King generated uniqueid to extracted records. SAS v8 no longer specifically supported in v6.4. New modifications may not be compatible. Note: With the release of SAS 9.2, SAS has created yet another warning message which – in the context of this application – can be ignored. Specifically, the message: WARNING: Multiple lengths were specified for the variable {var name} by input data set(s). This may cause truncation of data. will appear whenever The Link King truncates the length of a data field to be no longer than the longest value in the field. 6/13/08 Efficiency improvement in implementation of the Jaro-Winkler algorithm. 5/30/08 Incremental improvement to accuracy and efficiency. 2/29/08 Fixed bug. New Jaro-Winkler algorithm (added 2/12/08) would crash when no middle name was present (or MI only). 2/12/08 Resource utilization efficiency enhancement when blocking level set to "High". Integrated Jaro-Winkler string comparison algorithm (with prefix and long-string adjustments) into the algorithm. |
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