Package: postgresql-17-tdigest Source: tdigest Version: 1.4.3-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 159 Depends: postgresql-17, postgresql-17-jit-llvm (>= 15), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-17-tdigest_1.4.3-1.pgdg22.04+1_amd64.deb Size: 61600 SHA256: 4a81ecaad54435d3418e65b1404e8d4b6313d7f8925941539c3a9161928e06d0 SHA1: f2c333e617e23b0bae7b02f212f4cc5015ca6c88 MD5sum: 1a251cc22c12a85e0debffe975a7c58d 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.