How to Remove Duplicate Rows in R DataFrame?

Remove First Row of DataFrame in R

Last Updated : 23 Aug, 2021

In this article, we are going to see how to remove the first row from the dataframe. We can remove first row by indexing the dataframe.

Syntax:

data[-1,]

where -1 is used to remove the first row which is in row position

Example 1: R program to create a dataframe with 2 columns and delete the first row

R

# create dataframe with names and id
data=data.frame(names=c("sravan","boby","ojaswi","gnanesh",
                        "rohith"),id=c(1,2,3,4,5))

# display
data

# remove first row
data=data[- 1, ]  

print("------")

# display
data

Output:

Example 2: R program to create dataframe with 4 columns and delete the first row

R

# create dataframe with names ,id,phone and address
data = data.frame(names=c("sravan", "boby", "ojaswi", "gnanesh",
                          "rohith"),
                  id=c(1, 2, 3, 4, 5),
                  phone=c("91834567450", "2222222222", "333333333333",
                          "5555555555555", "333333333333"),
                  address=c("hyd", "kol", "patna", "bikat", "guntut"))

# display
data

# remove first row
data = data[- 1, ]

print("------")

# display
data

Output:

How to Remove Duplicate Rows in R DataFrame?

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