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| author | Marcel Ribeiro Dantas <ribeirodantasdm@gmail.com> | 2022-04-09 00:14:18 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-09 00:14:18 +0200 |
| commit | fbdc0115e9d53cf1b57f0bacd85094402b5af608 (patch) | |
| tree | a49b202cee00b309c1209ecd1036d244c0a29618 /r.html.markdown | |
| parent | 835d077573fea060406ca6e5096779526ae96760 (diff) | |
Update return of class(mat) according to R 4.0.0
A matrix is the special case of a two-dimensional ‘array’. Since R 4.0.0, ‘inherits(m, "array")’ is true for a ‘matrix’ ‘m’, which makes class(mat) return "matrix" "array", not only "matrix" as before.
Diffstat (limited to 'r.html.markdown')
| -rw-r--r-- | r.html.markdown | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/r.html.markdown b/r.html.markdown index e90d5a97..c3422d2d 100644 --- a/r.html.markdown +++ b/r.html.markdown @@ -405,7 +405,7 @@ mat # [2,] 2 5 # [3,] 3 6 # Unlike a vector, the class of a matrix is "matrix", no matter what's in it -class(mat) # => "matrix" +class(mat) # => "matrix" "array" # Ask for the first row mat[1,] # 1 4 # Perform operation on the first column |