Package: postgresql-18-tdigest Source: tdigest Version: 1.4.3-2.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 154 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_1.4.3-2.pgdg22.04+1_amd64.deb Size: 59372 SHA256: 7a5ee5266ef97cb865f8263718f750c62a5be8cdfb5fd266eb4800c814286e07 SHA1: 45cba3eec1dc7ca47ec84c5c583df3e667517e7c MD5sum: 04b81578a72f525b9125efeca07cf33c 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.