*17*

You can use one of the following two methods to quickly create a matrix from vectors in R:

**Method 1: Use cbind() to bind vectors into matrix by columns**

my_matrix

**Method 2: Use rbind() to bind vectors into matrix by rows**

my_matrix

The following examples show how to use each method in practice.

**Method 1: Use cbind() to Bind Vectors into Matrix by Columns**

The following code shows how to use **cbind()** to bind together three vectors into a matrix by columns:

#define vectors vector1 #column-bind vectors together into matrix my_matrix #view resulting matrix my_matrix vector1 vector2 vector3 [1,] 1 2 3 [2,] 2 4 6 [3,] 3 6 9 [4,] 4 8 12 [5,] 5 10 15 [6,] 6 12 18 [7,] 7 14 21 [8,] 8 16 24 [9,] 9 18 27 [10,] 10 20 30 #view dimensions of matrix dim(my_matrix) [1] 10 3

We can see that the result is a matrix with 10 rows and 3 columns, with each of the three original vectors representing a unique column.

**Method 2: Use rbind() to Bind Vectors into Matrix by Rows**

The following code shows how to use **rbind()** to bind together three vectors into a matrix by columns:

#define vectors vector1 #row-bind vectors together into matrix my_matrix #view resulting matrix my_matrix [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] vector1 1 2 3 4 5 6 7 8 9 10 vector2 2 4 6 8 10 12 14 16 18 20 vector3 3 6 9 12 15 18 21 24 27 30 #view dimensions of matrix dim(my_matrix) [1] 3 10

We can see that the result is a matrix with 3 rows and 10 columns, with each of the three original vectors representing a unique row.

**Note**: In these examples, we chose to bind together three vectors into a matrix, but we can use this exact syntax to bind together any number of vectors weâ€™d like into a matrix.

**Additional Resources**

The following tutorials explain how to perform other common functions in R:

How to Convert Data Frame Column to Vector in R

How to Convert Matrix to Vector in R

How to Create an Empty Matrix in R

How to Create an Empty Vector in R