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| -rw-r--r-- | gnu/packages/cran.scm | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm index 17c85fe512..adac3fe0c5 100644 --- a/gnu/packages/cran.scm +++ b/gnu/packages/cran.scm @@ -14945,3 +14945,26 @@ path of values for the regularization parameter.") library uses. It is also possible to control the number of threads in OpenMP.") (license license:agpl3+))) + +(define-public r-rann-l1 + (package + (name "r-rann-l1") + (version "2.5.2") + (source + (origin + (method url-fetch) + (uri (cran-uri "RANN.L1" version)) + (sha256 + (base32 + "1hanh3my84mdr5wy6b89fawqzfc184vff1y65wy4l5ld9qza1n44")))) + (properties `((upstream-name . "RANN.L1"))) + (build-system r-build-system) + (home-page "https://github.com/jefferis/RANN/tree/master-L1") + (synopsis "Fast nearest neighbour search using L1 metric") + (description + "This package provides tools to find the k nearest neighbours for every +point in a given dataset in O(N log N) time using Arya and Mount's ANN +library. There is support for approximate as well as exact searches, fixed +radius searches and @code{bd} as well as @code{kd} trees. The distance is +computed using the L1 (Manhattan, taxicab) metric.") + (license license:gpl3+))) |