View source: R/vector_occurrence.R
vector_occurrence | R Documentation |
This function finds the positions of first or last occurrence of unique vector elements.
vector_occurrence(x, type = "first")
x |
[ |
type |
[ |
An integer
vector
, the positions of the unique vector elements.
The ordering corresponds to unique(x)
, i.e., the i
-th element in
the output is the (first or last) occurrence of the i
-th element from
unique(x)
.
Other vector helpers:
check_numeric_vector()
,
check_probability_vector()
,
chunk_vector()
,
insert_vector_entry()
,
map_indices()
,
match_numerics()
,
permutations()
,
split_vector_at()
,
subsets()
x <- c(1, 1, 1, 2, 2, 2, 3, 3, 3)
unique(x)
vector_occurrence(x, "first")
vector_occurrence(x, "last")
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.