Package: postgresql-11-tdigest Source: tdigest Version: 1.4.0-2.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 152 Depends: libc6 (>= 2.4), postgresql-11 Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-11-tdigest_1.4.0-2.pgdg18.04+1_i386.deb Size: 60844 SHA256: 07eb1715d15fc0c2b12614b6a6f737cbc8910e175a443419153d492aeb0acb60 SHA1: 1fc9a7cacd93b0e81eca10401b7b1de35f113dda MD5sum: adbea838de38f9d5733e15428168e4a3 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.