Accessing R vector elements

Accessing elements in a vector is the process of performing operation on an individual element of a vector. There are many ways through which we can access the elements of the vector. The most common is using the ‘[]’, symbol.

Note: Vectors in R are 1 based indexing unlike the normal C, python, etc format.

R




# R program to access elements of a Vector
 
# accessing elements with an index number.
X<- c(2, 5, 18, 1, 12)
cat('Using Subscript operator', X[2], '\n')
 
# by passing a range of values
# inside the vector index.
Y<- c(4, 8, 2, 1, 17)
cat('Using combine() function', Y[c(4, 1)], '\n')


Output:

Using Subscript operator 5 
Using combine() function 1 4

R Vectors

R Vectors are the same as the arrays in R language which are used to hold multiple data values of the same type. One major key point is that in R Programming Language the indexing of the vector will start from ‘1’ and not from ‘0’. We can create numeric vectors and character vectors as well. 

R – Vector

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