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tdigest_10 - t-digest implementation for PostgreSQL
- Description:
This PostgreSQL extension implements t-digest, a data structure for on-line
accumulation of rank-based statistics such as quantiles and trimmed means.
The algorithm is also very friendly to parallel programs.
The accuracy of estimates produced by t-digests can be orders of magnitude
more accurate than those produced by previous digest algorithms in spite of
the fact that t-digests are much more compact when stored on disk.
Packages