For example, if you want to rename both “Sepal.Length” and “Sepal.Width” columns to “sepal_length” and “sepal_width” respectively, you can use the following code: iris_renamed % The rename() function can also handle multiple columns renaming at once. The resulting data frame with the renamed column is then assigned to the variable names, iris_renamed. The new column name “sepal_length” is assigned to the old column name “Sepal.Length”. In this code snippet, the %>% operator is used to pipe the iris dataset into the rename() function. ![]() You can achieve this using the following code: iris_renamed % Suppose you want to rename the “Sepal.Length” column to “sepal_length”. ![]() Here’s an example of using the rename() function with the well-known iris dataset. With the dplyr package installed and loaded, you can now utilize its powerful data manipulation functions, including the rename() function to rename columns in your data frame. Installing dplyr is a simple process that can be carried out using the following command: install.packages("dplyr")Īfter the installation is complete, you can load the dplyr package in your R script using the library function: library("dplyr") To begin using the dplyr package for renaming columns, you must first install and load the package in your R environment. The second method involves using the rename_with() function, where you define arrays of old and new column names: new % rename_with(~ new, all_of(old))īoth methods, as shown in the examples above, will produce the same result. The first one involves using the rename() function, providing multiple new and old column names as arguments: df %>% rename(new1 = old1, new2 = old2) If you need to rename multiple columns at once, dplyr provides two methods. For example, you may use the toupper function to convert all column names to uppercase: df %>% rename_with(toupper) The syntax would look like this: library(dplyr)Īdditionally, the rename_with() function allows you to rename columns using a specified transformation function. For instance, let us consider a sample data frame where we want to change the column name “old1” to “new1”. To use the rename() function, simply provide the new column name followed by the old one, like this: new_name = old_name. Among these functions, the rename() function is particularly handy when it comes to modifying column names in a data frame. The dplyr package in R is a popular tidyverse package for data manipulation that offers a set of useful functions for transforming and organizing datasets.
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