Add Suffix to Column Names

Usage

addSuffixToColumns(data, suffix, except = NULL)

Arguments

data: data frame
suffix: suffix to be added to each column name except the columns given in except
except: names of columns to which no suffix is to be given

Value

data with renamed columns

Examples

d1 <- data.frame(id = 1, a = 2, b = 3)
d2 <- data.frame(id = 1, c = 2, d = 3)

# Using merge the origin of the column gets lost
merge(d1, d2)
#>   id a b c d
#> 1  1 2 3 2 3

# Add a suffix before merging
merge(
  addSuffixToColumns(d1, ".first", except = "id"), 
  addSuffixToColumns(d2, ".second", except = "id"), 
  by = "id"
)
#>   id a.first b.first c.second d.second
#> 1  1       2       3        2        3