What is a repeat loop in R?
This recipe explains what is a repeat loop in R
Recipe Objective
Loops are an important feature in R-language. It helps us to iterate through vectors, lists and process required functions to its elements. They help us to implement complex logic which requires a repetitive step. There are three different loops in R:
- For loops
- While loops
- Repeat loops
Each of these loops has its own use cases. We will focus on repeat loops in this recipe by demonstrating an example
Repeat loops are used when a block of code until a stop condition or break is met. It is an alternative to do-while in traditional programming languages.
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Syntax:
repeat{
// Block of code that needs to be executed until the if condition speficied is met
if (boolean_condition){
break
} }
Example: To print the cubes of all the numbers starting from 2 to 6
# Creating an iterator
a = 2
# Using repeat loop
repeat{
print(a^3)
#increasing the iterator by one
a=a+1
if(a<=7){
}
}
while(a<=6){
print(a^3)
a=a+1
}
[1] 8 [1] 27 [1] 64 [1] 125 [1] 216
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