Package: postgresql-13-tdigest Source: tdigest Version: 1.4.3-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 159 Depends: postgresql-13, postgresql-13-jit-llvm (>= 15), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-13-tdigest_1.4.3-1.pgdg22.04+1_amd64.deb Size: 61844 SHA256: 99fa4239f3ac5447098fef04cf50a9d5bcc8f543e81d400ca1f79042fd9c2c5d SHA1: 9105fdb5b305d93701a1d6f7d0cd705274df1c9f MD5sum: ca89ee9eb537cfe8dbb12483e5fca7a8 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.