Package: postgresql-9.6-tdigest Source: tdigest Version: 1.2.0-2.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 69 Depends: libc6 (>= 2.4), postgresql-9.6 Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-9.6-tdigest_1.2.0-2.pgdg18.04+1_i386.deb Size: 21556 SHA256: a10ee4dde66798f0125e655fd7683bc0c8d6e70da33d9a8c7aa4802f8810f355 SHA1: 2871941f30faca9eba7971f3e6f4cab30d116fd0 MD5sum: 0efb95ee21fd03049e7113efd42cd56e 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.