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[ 源代码: tdigest  ]

软件包:postgresql-15-tdigest(1.4.0-2 以及其他的)

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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.

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下载 postgresql-15-tdigest

下载可用于所有硬件架构的
硬件架构 版本 软件包大小 安装后大小 文件
amd64 1.4.0-2+b1 60.4 kB160.0 kB [文件列表]
arm64 1.4.0-2 59.1 kB179.0 kB [文件列表]
armel 1.4.0-2 61.8 kB182.0 kB [文件列表]
armhf 1.4.0-2 60.2 kB180.0 kB [文件列表]
i386 1.4.0-2 62.5 kB166.0 kB [文件列表]
mips64el 1.4.0-2 58.6 kB182.0 kB [文件列表]
mipsel 1.4.0-2 60.5 kB180.0 kB [文件列表]
ppc64el 1.4.0-2 61.7 kB181.0 kB [文件列表]
s390x 1.4.0-2 21.7 kB81.0 kB [文件列表]