How to Rename Column in R?

The new name should have fewer characters than the old one; If the new name has words or dots you should replace them with _ or space; It should be sure that the old name does not exist; If we want to change the name for a character string in R we should use the function colnames().

how to change column names in r

on Jan 01, 1970
colnames(dataset) <- c('name1','name2',..)

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r rename columns

on Jan 01, 1970
library(plyr)
rename(d, c("beta"="two", "gamma"="three"))
#>   alpha two three
#> 1     1   4     7
#> 2     2   5     8
#> 3     3   6     9

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rename column in r

on Jan 01, 1970
my_data %>% 
  rename(
    sepal_length = Sepal.Length,
    sepal_width = Sepal.Width
    )

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rename column in r

on Jan 01, 1970
# df = dataframe
# old.var.name = The name you don't like anymore
# new.var.name = The name you want to get

names(df)[names(df) == 'old.var.name'] <- 'new.var.name'

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rename columns based on a variable in r

on Jan 01, 1970
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 

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R rename singl edf column

on Jan 01, 1970
colnames(trSamp)[2] <- "newname2"

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