A. A formal argument can be a symbol, a statement of the form 'symbol = expression', or the special formal argument
B. The first component of the function declaration is the keyword function
C. The value returned by the call to function is not a function
D. Functions are also often written when code must be shared with others or the public
Answer: Option A
This Question Belongs to R Programming >> Control Structures In R Programming
Which control structure in R is used to execute a block of code repeatedly until a condition is met?
A. if-else loop
B. for loop
C. while loop
D. do-while loop
In R, what is the purpose of the if-else statement?
A. To execute a block of code if a condition is true, otherwise execute another block of code
B. To create a loop that iterates a specified number of times
C. To check multiple conditions sequentially
D. To execute a block of code repeatedly until a condition is met
How is the switch() function used in R?
A. To toggle between TRUE and FALSE values
B. To switch the positions of two elements
C. To select one of several alternatives
D. To change the direction of a loop
In R, what is the syntax for the for loop?
A. for (i in 1:10) { code_block }
B. for (i = 1 to 10) { code_block }
C. for (i = 1; i <= 10; i++) { code_block }
D. for (i from 1 to 10) { code_block }
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