Package: postgresql-11-tdigest Source: tdigest Version: 1.4.3-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 155 Depends: postgresql-11, postgresql-11-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-11-tdigest_1.4.3-1.pgdg20.04+1_amd64.deb Size: 59412 SHA256: ae6816a131ef8473979ab3f0f5cce943646291a0dce8eef09195c53b7b1066fa SHA1: 7e393485ddd6b7ce8dc9bc7f1157d7d6e4b5c207 MD5sum: c63f3f4a9c4cb445736ef3aaac6cac0e 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.