Combine Vectors, Matrix or Data Frames by Rows in R Language - rbind() Function

In this article, we will discuss how we Combine Vectors, Matrices, or Data Frames by Rows in R Programming Language using rbind function.

What is rbind function?

The rbind function combines or concatenates data frames or matrices by rows. the rbind stands for row binds it shows that it appends rows of one object to another.

Syntax:

rbind(x1, x2, ..., deparse.level = 1)

Parameters:x1, x2: vector, matrix, data frames

deparse.level: This value determines how the column names are generated. The default value of deparse.level is 1.

Combine Vectors using rbind() Function

We will create two vectors and combine them with the help of rbinf function.

# R program to illustrate 
# rbind function 

# Initializing two vectors 
x <- 2:7
y <- c(2, 5) 
# print the value of x
x
# print the value of y
y
# Calling rbind() function 
rbind(x, y) 

Output:

[1] 2 3 4 5 6 7
[1] 2 5
  [,1] [,2] [,3] [,4] [,5] [,6]
x    2    3    4    5    6    7
y    2    5    2    5    2    5

Combine Matrix using rbind() Function

We will create two matrix and combine them with the help of rbinf function.

# create one matrix
a1<-matrix(1:9,3,3)
a1
# Create second matrix
a2<-matrix(10:18,3,3)
a2
# combine the both metrix
rbind(a1,a2)

Output:

     [,1] [,2] [,3]
[1,]    1    4    7
[2,]    2    5    8
[3,]    3    6    9
     [,1] [,2] [,3]
[1,]   10   13   16
[2,]   11   14   17
[3,]   12   15   18
     [,1] [,2] [,3]
[1,]    1    4    7
[2,]    2    5    8
[3,]    3    6    9
[4,]   10   13   16
[5,]   11   14   17
[6,]   12   15   18

Combine data frame using rbind() Function

We will create two data frame and combine them with the help of rbinf function.

# Create the first data frame
df1 <- data.frame(
  Name = c("Anurag", "Nishant", "Jayesh"),
  Age = c(25, 30, 22),
  Score = c(90, 85, 92)
)
df1 
# Create the second data frame
df2 <- data.frame(
  Name = c("Vipul", "Shivang", "Pratham"),
  Age = c(28, 35, 27),
  Score = c(88, 91, 89)
)
df2
# Combine the data frames by rows
combined_df <- rbind(df1, df2)

# Display the result
print(combined_df)

Output:

     Name Age Score
1  Anurag  25    90
2 Nishant  30    85
3  Jayesh  22    92
     Name Age Score
1   Vipul  28    88
2 Shivang  35    91
3 Pratham  27    89
     Name Age Score
1  Anurag  25    90
2 Nishant  30    85
3  Jayesh  22    92
4   Vipul  28    88
5 Shivang  35    91
6 Pratham  27    89

Combine data frame having missing values

We will create two data frames having missing values and combine them with the help of rbinf function.

# Create the first data frame
df1 <- data.frame(
  Name = c("Anurag", "Nishant", "Jayesh"),
  Age = c(25, NA, 22),
  Score = c(90, 85, NA)
)
df1
# Create the second data frame
df2 <- data.frame(
  Name = c("Vipul", "Shivang", "Pratham"),
  Age = c(NA, 35, 27),
  Score = c(88, NA, 89)
)
df2
# Combine the data frames by rows
combined_df <- rbind(df1, df2)

# Display the result
print(combined_df)

Output:

     Name Age Score
1  Anurag  25    90
2 Nishant  NA    85
3  Jayesh  22    NA
     Name Age Score
1   Vipul  NA    88
2 Shivang  35    NA
3 Pratham  27    89
     Name Age Score
1  Anurag  25    90
2 Nishant  NA    85
3  Jayesh  22    NA
4   Vipul  NA    88
5 Shivang  35    NA
6 Pratham  27    89

Here are the some of the examples for Combine Vectors, Matrix or Data Frames by Rows in R Programming Language. for combining rows it is necessary that it contain same amount of columns.