Package: postgresql-13-tdigest Source: tdigest Version: 1.4.2-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 155 Depends: postgresql-13, postgresql-13-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-13-tdigest_1.4.2-1.pgdg20.04+1_amd64.deb Size: 59552 SHA256: c36a2b1a38e8cc07c71d53ce0b42aaa28b25b54aec0b41236aa691853705531b SHA1: a022b6a1aedf4d5f0f70e8219c766f26ce154a0c MD5sum: a8e90918b399bcae6e067dd212802365 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.