how to change name of column in dataframe in r code example

Example 1: r change column name in dataframe

df <- df %>%
  rename(newName1 = oldName1 ,
         newName2 = oldName2)

Example 2: how to change column names in r

colnames(dataset) <- c('name1','name2',..)

Example 3: rename columns based on a variable in r

df <- rename(df, new_name = old_name) #For renaming dataframe column
 
tbl <- rename(tbl, new_name = old_name) #For renaming tibble column
 
tbl <- tbl %>% rename(new_name = old_name) #For renaming tibble column using dplyrpipe 
                                           #operator