In dplyr
one can write code like e.g. using the '.' to refer to the data in the pipe
x <- data.frame(x = 2:4)
y <- data.frame(y = 1:3)
y %>% dplyr::bind_cols(x,.)
but when using it in a function and running the package check it produces the
no visible binding for global variable '.'.
What is the best practice to handle the NOTE?
It seems that best practice is to use .data
instead of .
and then use import .data
from the rlang
package. From the programming with dplyr
vignette:
If this function is in a package, using .data also prevents R CMD check from giving a NOTE about undefined global variables (provided that you’ve also imported rlang::.data with @importFrom rlang .data).
Unfortunately that doesn't work for the original question with dplyr::bind_cols
, but it works for example in dplyr::mutate
and dplyr::do
.
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