[PATCH 31/35] gnu: Add r-numderiv.

[Raoul Bonnal <ilpuccio.febo@gmail.com>]

From: Raoul Jean Pierre Bonnal <ilpuccio.febo@gmail.com>

* gnu/packages/statistics.scm (r-numderiv): New variable.
---
 gnu/packages/statistics.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 4459bf3..ca199bf 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -4732,3 +4732,23 @@ for generating random vectors sampled from these distributions.  Probabilities
 are computed via non-Monte Carlo methods.")
     (license (list license:gpl2
                    license:gpl3))))
+
+(define-public r-numderiv
+  (package
+    (name "r-numderiv")
+    (version "2016.8-1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "numDeriv" version))
+       (sha256
+        (base32
+         "07ni52rwiap4wilfz94w5mrqaxr59axxmgn57857ip4p6qkiss0v"))))
+    (properties `((upstream-name . "numDeriv")))
+    (build-system r-build-system)
+    (home-page "http://optimizer.r-forge.r-project.org/")
+    (synopsis "Accurate numerical derivatives")
+    (description
+     "This package provides methods for calculating accurate numerical
+first and second order derivatives.")
+    (license license:gpl2)))
-- 
1.9.1