R

how to rename columns in r using index

names(titanic_df)[1] <- 'P_Class'

r rename columns

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

rename column in r

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

R rename singl edf column

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

rename columns in table r

rename(table_name, new_column = old_column)

#For multiple column change:
rename(table_name, new_column = old_column, new_col2 = old_col2)

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 

rename column in r

# 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'

r: rename a column

colnames(df)[which(names(df) == "columnName")] <- "newColumnName"

r rename column based on variable

rename(df, !!metric:=value)

r rename column based on variable

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