Package: postgresql-13-tdigest Source: tdigest Version: 1.4.3-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 155 Depends: postgresql-13, postgresql-13-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-13-tdigest_1.4.3-1.pgdg20.04+1_amd64.deb Size: 59600 SHA256: 9169354f632a7e9a4903f730379ca709515afb232adc5dd7f73cd7836304e8e8 SHA1: f37fcfde5e4bfd73f95ad2360e112915688e40ad MD5sum: f538d9227a35ff66875478ea8b28b6a1 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.