Package: postgresql-15-tdigest Source: tdigest Version: 1.4.1-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 156 Depends: libc6 (>= 2.14), postgresql-15, postgresql-15-jit-llvm (>= 10) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-15-tdigest_1.4.1-1.pgdg20.04+1_amd64.deb Size: 59932 SHA256: 5b3c95ab8223901a2136fd595b7335136386ff015d7eccf5c36f61ca503ce192 SHA1: afb243261716970c40ff0a49bdfa61ab1148dd35 MD5sum: 545c8fcee45c353562199866d22ca6ab 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.