Question

R Programming 3/15 Report Issue FIII in the blanks 82 s Submit Answer Complete the code to return the output ``` square <- function(x) { if( write code here ){ print("x must be numeric") } else { x ^ 2 } } square("Ten") ``` Expected Output [1] "x must be numeric"

          R Programming
3/15
Report Issue
FIII in the blanks
82 s
Submit Answer

Complete the code to return the output
```
square <- function(x) {
    if( write code here ){
        print("x must be numeric")
    } else {
        x ^ 2
    }
}
square("Ten")
```

Expected Output
[1] "x must be numeric"

R Programming
3/15
Report Issue
FIII in the blanks
82 s
Submit Answer

Complete the code to return the output
“`
square <- function(x)
if( write code here )
print("x must be numeric")
else
x ^ 2

square("Ten")
“`

Expected Output
[1] "x must be numeric"

Added by Joel W.

Algebra and Trigonometry

James Stewart, Lothar Redlin, Saleem… 4th Edition

Chapter 2

Instant Answer

Solved by Expert Sophia Furfine

Step 1

In R, you can use the `is.numeric()` function to check if a variable is numeric. Show more…

Show all steps

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R Programming 3/15 Report Issue FIII in the blanks 82 s Submit Answer Complete the code to return the output ``` square <- function(x) { if( write code here ){ print("x must be numeric") } else { x ^ 2 } } square("Ten") ``` Expected Output [1] "x must be numeric"