Package: postgresql-12-tdigest Source: tdigest Version: 1.4.1-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 155 Depends: libc6 (>= 2.14), postgresql-12, postgresql-12-jit-llvm (>= 10) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-12-tdigest_1.4.1-1.pgdg20.04+1_amd64.deb Size: 59560 SHA256: 5992a04f55bd4759c6a37b82a03512eb7784aef30bc64d86f245be6fcd776c94 SHA1: 615758dc6e62f29e1133d41671e360394e3d5dc9 MD5sum: 2c35abe4b44e4df6b06c1a9694ab6d30 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.