Package: postgresql-11-tdigest Source: tdigest Version: 1.4.2-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 155 Depends: postgresql-11, postgresql-11-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-11-tdigest_1.4.2-1.pgdg20.04+1_amd64.deb Size: 59312 SHA256: 25df54505336204aeba1d2b716822c505ed2268f297322463714277b96d4b29f SHA1: 951ba3bf5d8d0cea09d2f5ae4c743e7600551d7e MD5sum: d9099b4d6bddad1d4a74dd00996e3f52 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.