matchArg | R Documentation |
This is an extensions to match.arg
with support for AssertCollection
.
The behavior is very similar to match.arg
, except that NULL
is not
a valid value for x
.
matchArg(x, choices, several.ok = FALSE, .var.name = vname(x), add = NULL)
x |
[character] |
choices |
[character()] |
several.ok |
[logical(1)] |
.var.name |
[ |
add |
[ |
Subset of choices
.
matchArg("k", choices = c("kendall", "pearson"))
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