Use break to Terminate a Nested for Loop in R > # Exit on the third iteration AFTER printing the updated value of the elem variable. Output: > # Exit on the third iteration BEFORE printing the updated value of the elem variable. # Exit on the third iteration AFTER printing the updated value of the elem variable. In the example code, we will use the break keyword at different places in two different loops to show when the loop terminates.Įxample Code: # Exit on the third iteration BEFORE printing the updated value of the elem variable. It is often used when a condition is met. The break keyword is used to exit a loop as soon as it is executed. # Here, elem is a variable that holds the current element of the vector myVec. MyVec = c("First Name", "Last Name", "Address", "Phone", "Country") The for loop iterates as many times as the elements in the vector. A variable in the for block holds the value of the current element of the vector. We start by creating a vector because the for loop iterates over the elements of an object. To terminate a for loop before it completes as many iterations as the number of elements in the object, we have only one option: the break keyword. It iterates over the elements of an object.Use break to Terminate a Nested for Loop in R.
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