rename column with a variable in r code example

Example 1: how to change column names in r

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

Example 2: R rename singl edf column

colnames(trSamp)[2] <- "newname2"

Example 3: rename column in r

my_data %>% 
  rename(
    sepal_length = Sepal.Length,
    sepal_width = Sepal.Width
    )

Example 4: r rename column based on variable

df %>% rename(!!variable := name_of_col_from_df)