Package: postgresql-16-tdigest Source: tdigest Version: 1.4.1-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 159 Depends: libc6 (>= 2.14), postgresql-16, postgresql-16-jit-llvm (>= 14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-16-tdigest_1.4.1-1.pgdg22.04+1_amd64.deb Size: 61884 SHA256: 6249fc2899f6e6275830ac9adeaa9047c38a95802859f56551b9bf5c938e84c1 SHA1: 930798be59ac285256363ef799a30659ceac1783 MD5sum: 7f01a1effe02b19fedc9dc82bbe6f31e 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.