How to usepaste() function in R Language

This function is used to join the two columns in the dataframe with a separator.

Syntax:

paste(data$column1, data$column2, sep=" ")

where

data is the input dataframe
column1 is the first column
column2 to is the second column
sep is the separator to be separated between two columns

Example 1:

R

# create dataframe
data = data.frame(firstname=c("akash", "kyathi", "preethi"),
                  lastname=c("deep", "lakshmi", "savithri"),
                  marks=c(89, 96, 89))
 
# display
print(data)
 
# combine first name and last name columns
# with blank separator
data$fullname = paste(data$firstname, data$lastname, sep=" ")
 
# display
data

Output:

Example 2:

R

# create dataframe
data = data.frame(firstname=c("akash", "kyathi", "preethi"),
                  lastname=c("deep", "lakshmi", "savithri"),
                  marks=c(89, 96, 89))
 
# display
print(data)
 
# combine first name and last name columns
# with blank separator
data$fullname = paste(data$firstname, data$lastname, sep="--")
 
# display
data