guix_mirror_bot pushed a commit to branch r-team
in repository guix.

commit ed29e5fa449cdb4aecf40bdb6a3ae72b60517c22
Author: Ricardo Wurmus <[email protected]>
AuthorDate: Wed Mar 11 18:03:40 2026 +0100

    gnu: Add r-merderiv.
    
    * gnu/packages/cran.scm (r-merderiv): New variable.
    
    Change-Id: I7eba9b8c0ab6f3c034bd7b9fe17bd61926fcef18
---
 gnu/packages/cran.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 9676170f57..4e603f8c99 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -12297,6 +12297,36 @@ found in the manual pages @code{mcr-package} and 
@code{mcreg}.")
 you call it again with the same arguments it returns the pre-computed value.")
     (license license:expat)))
 
+(define-public r-merderiv
+  (package
+    (name "r-merderiv")
+    (version "0.2-5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "merDeriv" version))
+       (sha256
+        (base32 "1zc4pslim520w1mqn32ijksf5qn9qg66gg1zmrf1iicgbsnhq6ff"))))
+    (properties
+     '((upstream-name . "merDeriv")
+       (updater-extra-native-inputs . ("r-lmeinfo" "r-mirt"))))
+    (build-system r-build-system)
+    (propagated-inputs (list r-lavaan
+                             r-lme4
+                             r-matrix
+                             r-nonnest2
+                             r-numderiv
+                             r-sandwich))
+    (native-inputs (list r-lmeinfo r-mirt r-tinytest))
+    (home-page "https://github.com/nctingwang/merDeriv";)
+    (synopsis
+     "Case-wise and cluster-wise derivatives for mixed effects models")
+    (description
+     "This package lets you compute case-wise and cluster-wise derivative for
+mixed effects models with respect to fixed effects parameter, random
+effect (co)variances, and residual variance.")
+    (license license:gpl2+)))
+
 (define-public r-mgcv
   (package
     (name "r-mgcv")

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