Package: postgresql-12-tdigest Source: tdigest Version: 1.4.2-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 153 Depends: postgresql-12, postgresql-12-jit-llvm (>= 15), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-12-tdigest_1.4.2-1.pgdg22.04+1_amd64.deb Size: 61584 SHA256: 1a60ba84e6432a99d4b771e50832bf0dc6cbc322e8af67bc80c6555ae88d1f5b SHA1: fb0cc8e45c7b503dfcff1c8f12e20819cfbb1eb8 MD5sum: c304c93b7094b0aa477b84125e175ac7 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.