Package: postgresql-12-tdigest Source: tdigest Version: 1.4.0-2.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 152 Depends: libc6 (>= 2.4), postgresql-12 Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-12-tdigest_1.4.0-2.pgdg18.04+1_i386.deb Size: 61316 SHA256: a660d81effd6e1b2d110716f0d2baf468c144e4fe7e8ea7bc4e3e18405ad7f3b SHA1: 4269eb464d7c6812a1afedcc6cbfa4e3311d27b3 MD5sum: 191eec1d79b33e8533ca10a318ace752 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.