Package: postgresql-11-tdigest Source: tdigest Version: 1.4.3-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 153 Depends: postgresql-11, postgresql-11-jit-llvm (>= 15), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-11-tdigest_1.4.3-1.pgdg22.04+1_amd64.deb Size: 61184 SHA256: 03611f0e85296328feeb7b2b6fb4c27f72213d0a40f7745c9b4a79af04769a66 SHA1: b903cf1a22614351ba0aff4d51232557865b6eb2 MD5sum: fffde8c470df415f7b159a10c744650f 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.