The dplyr function mutate in R might be one of the most popular functions that are used, for example, by creating a new data frame column. It is not hard to use that, and for some R users might be a reason why the function mutate is not fully known.
The dplyr message about adding missing grouping variable might appear during a data wrangling process. In my case, when I was using function select from dplyr, the “Adding missing grouping variable” message was displayed, and an unnecessary column appeared in the result. You cannot remove this column as easily as usual.
The easiest way to move the data frame column to a specific position in R is by using the function relocate from package dplyr.
Here is the easy method of how to calculate the count of unique values in one or multiple columns by using R.
An unused argument error might appear with any function (for example, dplyr), and the primal cause is a misunderstanding. If the function appears with the same name in multiple active libraries, then make sure which of them you are using. If you are not using from the library what you think you are using, then…