Package: postgresql-12-tdigest Source: tdigest Version: 1.4.4-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 160 Depends: postgresql-12, libc6 (>= 2.14) Breaks: postgresql-12-jit-llvm (<< 15) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-12-tdigest_1.4.4-1.pgdg22.04+1_amd64.deb Size: 63708 SHA512: ac61ffc6638b5d6ba32fd5c3dc49300e0cf184dd6a81dab139e4a3ae95133b4d74f03db800e3c910d484403f9f6ceca5768691bd0952609f4b5dd55a91a9dabc SHA256: 3664cddd8e2fb09acd7101fbbd8e7851de326d189a8bc4c2ec46761b17763873 SHA1: 61b88124e709006d123eb5b350bd5209e08d8bbc MD5sum: ac37fcea119855e9bda62dbf94843c25 Description: t-digest algorithm for on-line accumulation of rank-based statistics 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.