Package: postgresql-17-tdigest Source: tdigest Version: 1.4.3-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 156 Depends: postgresql-17, postgresql-17-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-17-tdigest_1.4.3-1.pgdg20.04+1_amd64.deb Size: 60016 SHA256: 101a8d020b849b615881a15460ed04bdc64de3b274726564a2e572ea29992022 SHA1: 435918faea9ed5b1edaa47fa0a14e5ad49a74110 MD5sum: aace07007c5c3225c9cab7013a1d4d60 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.