Package: postgresql-10-tdigest Source: tdigest Version: 1.4.1-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 85 Depends: libc6 (>= 2.14), postgresql-10 Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-10-tdigest_1.4.1-1.pgdg20.04+1_amd64.deb Size: 23276 SHA256: 9509709bdf3055fb0e953e5361425ebcfdf3b9e3253a3e2e90726d34cc8d4e51 SHA1: 3b6d637532f2fa1b6d95381586b34649ceca59cd MD5sum: 4eed7e50652981f67035fb15266f02dd 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.