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Control Structures in R Programming MCQ question and answer with solution | R Programming MCQs

Learn Control Structures in R Programming MCQ Questions and answers with easy and logical explanations in R Programming. Control Structures in R Programming MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-8 section-2

Each section contains 100 MCQs on Control Structures in R Programming .
71
Point out the wrong statement?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
72
Which of the following R code can be used to avoid numeric problems such as taking the logarithm of a negative number?
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
73
debug() flags a function for . . . . . . . . mode in R mode.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
74
You can check to see whether an R object is NULL with the . . . . . . . . function.
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Answer & Solution
Answer: Option A
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75
What will be the output of the following R expression?
> log(-2.3)
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
76
Point out the correct statement?
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
77
What will be the output of the following R code?
> printmessage <- function(x) {
+     if(x > 0)
+          print("x is greater than zero")
+     else
+          print("x is less than or equal to zero")
+     invisible(x)
+ }
> printmessage(NA)
Discuss
Answer & Solution
Answer: Option A
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78
A . . . . . . . . in R programming language can also contain numeric and alphabets along with special characters like dot and underline.
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Answer & Solution
Answer: Option A
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79
What will be the output of the following R code?
> nLL <- make.NegLogLik(normals, c(FALSE, 2))
> optimize(nLL, c(-1, 3))$minimum
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Answer & Solution
Answer: Option D
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80
How do you create log linear models in R language?
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board