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(parent: 7c96e98) | patch
sort: Add support for combining cases with identical sort criteria.
authorBen Pfaff <blp@cs.stanford.edu>
Sun, 21 Mar 2010 19:40:41 +0000 (12:40 -0700)
committerBen Pfaff <blp@cs.stanford.edu>
Mon, 3 May 2010 04:29:21 +0000 (21:29 -0700)
commit86189d786fc34c9da174b5018bec27640f7062e4
tree6614716d85784cca112cb9866cb512ce27b972d1tree | snapshot
parent7c96e98d5ee26ca08d9d31e84b08e79f1183663dcommit | diff
sort: Add support for combining cases with identical sort criteria.

This makes it possible to efficiently assemble frequency tables and
crosstabs for data sets that might be larger than available memory.
src/math/merge.c diff | blob | history
src/math/merge.h diff | blob | history
src/math/sort.c diff | blob | history
src/math/sort.h diff | blob | history
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