51/80: gnu: r-gbm: Update to 2.1.8.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit 30b1b051e6c41061209b9f8caaa3a78ff04bd0dc
Author: Ricardo Wurmus <rek...@elephly.net>
AuthorDate: Wed Aug 12 11:58:27 2020 +0200

    gnu: r-gbm: Update to 2.1.8.
    
    * gnu/packages/cran.scm (r-gbm): Update to 2.1.8.
    [propagated-inputs]: Remove r-gridextra.
    [native-inputs]: Add r-knitr.
---
 gnu/packages/cran.scm | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index f1a3c3a..6448f1d 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -15025,19 +15025,20 @@ graphics using Vega.")
 (define-public r-gbm
   (package
     (name "r-gbm")
-    (version "2.1.5")
+    (version "2.1.8")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "gbm" version))
        (sha256
         (base32
-         "0vs6ljaqhwwpgr8wlbhmm4v147rd82kl16rpaijqiylxcc8dxyq6"))))
+         "1h9f4ww9yc3nsvghgr2q7jjrlz29ibabxjbax1sk5wmqh2wy6pbx"))))
     (build-system r-build-system)
     (propagated-inputs
-     `(("r-gridextra" ,r-gridextra)
-       ("r-lattice" ,r-lattice)
+     `(("r-lattice" ,r-lattice)
        ("r-survival" ,r-survival)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/gbm-developers/gbm";)
     (synopsis "Generalized boosted regression models")
     (description