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RENAME COLUMNS IN R HOW TO
RENAME COLUMNS IN R INSTALL

RENAME COLUMNS IN R HOW TO

In this article, you have learned how to rename a single column/variable name, multiple and all columns of the R dataframe (ame) using the colnames(), names() function through column index and conditionally, and also we discussed using rename() and setnames(). Old = c('ID','PAGES','NAME','CHAPTERS','PRICE')) How to Rename a Column Name in R 3 Examples to Change Colnames of a Data Frame ( ) ( ) OldName <- NewName Change colnames of all columns. Once installation completes, load the data.table library using library("data.table").

RENAME COLUMNS IN R INSTALL

data.table is also a third-party library hence, you need to first install it by using install.packages('data.table'). Use setnames() function from data.table library to change columns with list. In the below example let’s use this to convert all column names to upper case. Rename_with() function is from R dplyr library that can be used to rename all data frame columns. Similarly, we can also rename multiple columns by name using rename() function on R data frame, here all you need is you should know your old column name and the new column name.Ħ. Yields the same output as above, but updates the column names on my_dataframe. In order to update assign this statement to the existing data frame. print() of this data frame results in unchanged data. Note that the above example doesn’t change the column on the existing data frame. Let’s rename a column from c1 to id by using rename().

new_column_name is the new column name that replaces the old_column_name.

My_dataframe %>% rename(new_column_name = old_column_name) Once installation completes, load the dplyr library using library("dplyr"). When you use %>% operator, the functions we use after this will be applied to the data frame to the left of the operator.ĭplyr is a third-party library hence, in order to use dplyr library, you need to first install it by using install.packages('dplyr'). At a time we can change single or multiple column names. The operator – %>% is used to load the renamed column names to the data frame.

Rename() is the method available in the dplyr package, which is used to change the particular column name present in the data frame. Rename DataFrame Column in R using rename() Also, refer to Import Excel File into R.Ĭolnames(my_dataframe) ="new_column_name"Ĭolnames(my_dataframe) = "c1" If you already have data in CSV you can easily import CSV files to R DataFrame.

Let’s create an R DataFrame, run these examples and explore the output. # Example 5 - Rename multiple columns using rename() #Example 3 - Rename the column name - id to c1Ĭolnames(my_dataframe) ="c1"

Quick Examples of Rename Columnįollowing are quick examples to rename columns/variables of the R data frame (change/update old column name with new column name).