Package: postgresql-18-tdigest Source: tdigest Version: 1.4.7-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 188 Depends: postgresql-18, libc6 (>= 2.14) Breaks: postgresql-18-jit-llvm (<< 15) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-18-tdigest_1.4.7-1.pgdg22.04+1_amd64.deb Size: 78492 SHA512: ae6aa51f0782aa887c7c02bade57fced9d2c4f712539794bf7515ec73eff3bfee0068748e65a334724aee5176d61cfaf12a6991715f3f0d2e99905c9437f6cce SHA256: f0e032f4fb7b2b0a994a5f0ecb2c8a28cdfa3f41bc60bf09e3ed5e562ffe15ef SHA1: 550eeb834945a9bb0a409ac07c787446a8833290 MD5sum: 42620a17727652a8c507c3ce805fbd21 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.