Description Usage Arguments Value Examples
Check whether the names of a vector all start with a certain string.
1 2 3 | check_start(x, start)
check_start_all(x, start)
|
x |
A vector. The names of the vector will be checked. |
start |
A character string. |
check_start
A boolean vector of the same length as x
if x
is named. Each element is either TRUE or FALSE. They are TRUE if the name
of the element starts with start
. If x
did not carry names, a vector of
length zero is returned.
check_start_all
A boolean scalar. TRUE if the names of all
elements of x
start with start
. Otherwise FALSE.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 |
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