Package: postgresql-14-tdigest Source: tdigest Version: 1.4.2-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 156 Depends: postgresql-14, postgresql-14-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-14-tdigest_1.4.2-1.pgdg20.04+1_amd64.deb Size: 60028 SHA256: ad1bbbfbe00b610766538435132de28a9e5720974ea92982ed625aa21af3b274 SHA1: d68bf99eb7dc889c40e33af0456537d53ea3433b MD5sum: 1c964398a95e4592f71b676670dee16c 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.