Calculate Inverse cosine of a value in R Programming - acos() Function

Calculate nCr value in R Programming - choose() Function

Last Updated : 01 Jun, 2020

R Language offers a direct function that can compute the nCr value without writing the whole code for computing nCr value.

Syntax: choose(n, r) Parameters: n: Number of elements r: Number of combinations Returns: The number of r combinations from a total of n elements, i.e, nCr value.

Example 1:

Python3

# R program to calculate nCr value 
  
# Using choose() method 
answer1 <- choose(3, 2) 
answer2 <- choose(3, 7)  
answer3 <- choose(7, 3)

print(answer1) 
print(answer2) 
print(answer3)

Output:

3
0
35

Example 2: If we provide the value of n and r such that n < r then choose(n, r) will return 0.

Python3

# R program to calculate nCr value 
   
# Using choose() method 
answer1 <- choose(2, 3) 
answer2 <- choose(3, 6)  
answer3 <- choose(3, 7)
 
print(answer1) 
print(answer2) 
print(answer3)

Output:

0
0
0

Calculate Inverse cosine of a value in R Programming - acos() Function

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