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-rw-r--r--gnu/packages/cran.scm2
1 files changed, 2 insertions, 0 deletions
diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 92a415c820..41dbcb778d 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -7283,6 +7283,8 @@ Processing of very large files is supported.")
       ("r-mosaicdata" ,r-mosaicdata)
       ("r-readr" ,r-readr)
       ("r-tidyr" ,r-tidyr)))
+   (native-inputs
+    `(("r-knitr" ,r-knitr)))
    (home-page "https://github.com/ProjectMOSAIC/mosaic/")
    (synopsis "Mathematics, statistics, and computation teaching utilities")
    (description