Package: postgresql-12-tdigest Source: tdigest Version: 1.4.3-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 155 Depends: postgresql-12, postgresql-12-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-12-tdigest_1.4.3-1.pgdg20.04+1_amd64.deb Size: 59672 SHA256: f8c4ad195a6ae827c8af9239e1ab47ee0b79cdd85bdd3bc70ea806c671fa2ffc SHA1: 3db931acbb9884a032c0233a2a885f10288ae9cd MD5sum: b3a2242df5c9bb12d38b44282b50a0a5 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.