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-rw-r--r--gnu/packages/bioinformatics.scm2
1 files changed, 2 insertions, 0 deletions
diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index b0ec57bda2..fc05c9caf5 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -9360,6 +9360,8 @@ analysis.")
        ("r-ggplot2" ,r-ggplot2)
        ("r-lattice" ,r-lattice)
        ("r-limma" ,r-limma)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr))) ; for vignettes
     (home-page "https://bioconductor.org/packages/release/bioc/html/vsn.html")
     (synopsis "Variance stabilization and calibration for microarray data")
     (description