Package: postgresql-10-tdigest Source: tdigest Version: 1.4.3-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 85 Depends: postgresql-10, libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-10-tdigest_1.4.3-1.pgdg20.04+1_amd64.deb Size: 23372 SHA256: 4f7e882d25ce4ee9c29bf871b8321607929d5ac03e2bd15a09224625d99ba9cc SHA1: 895620fd31edde88162005eeaa08b31c6d2fdb35 MD5sum: 5666f2c79390f0e8e6a25e7e93bc717c 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.