Package: postgresql-14-tdigest Source: tdigest Version: 1.4.0-2.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 153 Depends: libc6 (>= 2.4), postgresql-14 Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-14-tdigest_1.4.0-2.pgdg18.04+1_i386.deb Size: 61524 SHA256: e44fbdce5ef66c5760474057840bb5cc013c3cb2752d9854cbf882667bdd9250 SHA1: cfea503455646da776d13fc79e82c3edea20fc75 MD5sum: 69cafb2f1677afd630ccd31bec5f895d 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.