De 2023 n_distinct() counts the number of unique/distinct combinations in a set of one or more vectors. It's a faster and more concise equivalent to nrow(unique(data. frame(. ))). De 2023 you can use one of the following methods to count the number of distinct values in an r data frame using the n_distinct () function from dplyr: De 2022 in this tutorial, we will learn how to count unique values of a variable(s) or column using dplyrs count() function. Dplyrs count() function is a convenient function that.
I'm new using dplyr, i need to calculate the distinct values in a group. Bb = c('a', 'b', 'a', 'c', 'c')) i know i can do things like: But if i want the count of unique elements? De 2022 you can use the following methods to count the number of unique values by group in r: De 2024 learn how to use dplyr's n_distinct() function to count unique values in a column and count unique rows in a dataframe with multiple examples