Package: postgresql-14-tdigest Source: tdigest Version: 1.4.3-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 156 Depends: postgresql-14, postgresql-14-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-14-tdigest_1.4.3-1.pgdg20.04+1_amd64.deb Size: 59992 SHA256: 5f782804ab345e3b701fdee3755b2e033effc6ef9347d6a4bd1900e089bae4fd SHA1: 41baa47acd20d0a23d899550e1756c6b6716551b MD5sum: 79bb56a9cee1e7012c68571198d6a8ec 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.