Package: postgresql-13-tdigest Source: tdigest Version: 1.4.2-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 159 Depends: postgresql-13, postgresql-13-jit-llvm (>= 15), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-13-tdigest_1.4.2-1.pgdg22.04+1_amd64.deb Size: 61872 SHA256: 411c68cc8121b0e74d64e747aeaa6214c9db810a23a4ecae4fb552792b34050f SHA1: 9165ff25ecf2bf8d02ed6f70ed1d471aaa5d3524 MD5sum: e431e88e45c66913a624313b5229caca 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.