Package: postgresql-11-tdigest Source: tdigest Version: 1.4.1-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 155 Depends: libc6 (>= 2.14), postgresql-11, postgresql-11-jit-llvm (>= 10) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-11-tdigest_1.4.1-1.pgdg20.04+1_amd64.deb Size: 59268 SHA256: 9f5a20c9ef58453946be34cf3e406dd567143c38ab12b2ce0f5c441a1fb15220 SHA1: ebc0e52cce72893d0c3f4f9042ee2b491c87abc5 MD5sum: 833cde7f89112385015435f8939aee01 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.