@@ -3456,6 +3456,27 @@ (define-public r-selectr
package is a port of the Python package @code{cssselect}.")
(license license:bsd-3)))
+(define-public r-relations
+ (package
+ (name "r-relations")
+ (version "0.6-13")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (cran-uri "relations" version))
+ (sha256
+ (base32 "1nnr0kcr3whbwzi36sg7wn46jp7r0hfkvcwlybvjsjhczcvc6ngq"))))
+ (properties `((upstream-name . "relations")))
+ (build-system r-build-system)
+ (propagated-inputs (list r-cluster r-sets r-slam))
+ (home-page "https://cran.r-project.org/package=relations")
+ (synopsis "Data structures and algorithms for relations")
+ (description
+ "This package provides data structures and algorithms for k-ary relations
+with arbitrary domains, featuring relational algebra, predicate functions, and
+fitters for consensus relations.")
+ (license license:gpl2)))
+
(define-public r-repmis
(package
(name "r-repmis")