For Loop In R | R For Loop - r - learn r - r programming

In R programming, a for loop is used to iterate over a vectors.
A for loop is a repetition control structure that permits to efficiently write a loop that wants to execute an exact number of times.

Syntax

for (value in vector) 
{
    statements
}

Syntax Explanation

Vector and Value can take on each of its value during the loop. In each iteration and statement is evaluated.

Sample Code

x <- LETTERS[1:10]
for ( val in x) 
{
   print(val)
}

Code Explanation

x is specifying to string variable. Here x has 10 elements, the LETTERS is composed of a sequence of the characters 1 through 10 (1:10).
In each iteration, val takes on the value of corresponding element of x.
Here print() is used to print the value, that value stored in xvariable.

Output

Here in this output we display the Letters from 1 to 10 “A”, “B”, “C”, “D”, “E”, “F”, “G”, “H”, “I”, “J”, which specifies to the loop iterates 10 times as the vector x has 1 through 10 elements.

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For Loop In R | R For Loop - r - learn r - r programming

Syntax

Syntax Explanation

Sample Code

Code Explanation

Output

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For Loop In R | R For Loop - r - learn r - r programming

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Syntax Explanation

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