R: While Loop Challenge

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Test your understanding of R while loops.

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Dr Padmakala S

India

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R: While Loop Challenge


R: While Loop ChallengeOnline version Test your understanding of R while loops. by Dr Padmakala S 1 Min and Max in R are computed with: (revisited) a min(), max() b low(), high() c floor(), ceiling() d range() only 2 What is the basic syntax for a while loop in R? a while (condition) { body } b for (i in seq) { body } c loop { condition; body } d repeat { body } 3 Which statement should you include to avoid an infinite loop? a No exit condition b Always true condition c Infinite templates d A changing condition inside the loop 4 How do you exit a while loop prematurely in R? a Use return b Use exit c Use stop d Use break 5 Which function can be used to skip to the next iteration? a next b continue c skip d break 6 What happens if the condition is FALSE from the start? a The loop body does not execute b An error occurs c It becomes a for loop d The loop runs once 7 Which scenario best demonstrates a while loop? a Reading a file with read.csv() b Counting until a threshold is reached c Plotting a graph with lapply d Creating a vector with c() 8 Which operator is commonly used in the loop condition? a Arithmetic + b Logical ! with no condition c Comparison operators (e.g., <, <=, >, >=) d Assignment operator <- 9 What is the risk of modifying a loop variable incorrectly? a It may never satisfy the exit condition b It converts to a different loop type c It creates a syntax error d It always prints an error message 10 Which scenario is not appropriate for a while loop? a When polling until ready b When the number of iterations is known beforehand c When waiting for a condition d When processing streaming data 11 Which function can modify a counter inside a while loop? a You can increment with counter <- counter + 1 b counter() c counter <- counter * 0 d counter <- NULL

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R: While Loop Challenge

Quiz

About this activity

Created by

Download the paper version to play

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R: While Loop ChallengeOnline version

by Dr Padmakala S

Min and Max in R are computed with: (revisited)

What is the basic syntax for a while loop in R?

Which statement should you include to avoid an infinite loop?

How do you exit a while loop prematurely in R?

Which function can be used to skip to the next iteration?

What happens if the condition is FALSE from the start?

Which scenario best demonstrates a while loop?

Which operator is commonly used in the loop condition?

What is the risk of modifying a loop variable incorrectly?

Which scenario is not appropriate for a while loop?

Which function can modify a counter inside a while loop?