Package: postgresql-9.6-tdigest Source: tdigest Version: 1.2.0-2.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 73 Depends: libc6 (>= 2.14), postgresql-9.6 Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-9.6-tdigest_1.2.0-2.pgdg20.04+1_amd64.deb Size: 19840 SHA256: 20a9eac8853d816daed8118206190c035f8461f3ac240569480556e4589588d8 SHA1: 722eaeee2f8fdc9caa2fc383095ceb396139b116 MD5sum: db475eda5469c94f830fcae1c82042d4 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.