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The map functions transform their input by applying a function to each element and returning a list/vector/data.table.
map()
returns a list
_lgl()
, _int
, _dbl
,_chr
, _df
variants return their specified type
_dfr
& _dfc
Return all data frame results combined utilizing row or column binding
map2_df.(.x, .y, .f, ..., .id = NULL)
A list or vector
A list or vector
A function
Other arguments to pass to a function
Whether map_dfr()
should add an id column to the finished dataset
map(c(1,2,3), ~ .x + 1)
map_dbl(c(1,2,3), ~ .x + 1)
map_chr(c(1,2,3), as.character)
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