Question 41 : How many parameters does the WebPageTest API accept?
1. 5
2. 6
3. 7
4. 8
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Question 42 : Which of the following list contains multiple data types?
1. Vectors
2. Data frames
3. Matrices
4. Arrays
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Question 43 : Which of the following is the base install for R?
1. Contrib
2. Base
3. Rtools
4. RBase
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Question 44 : Which of the following is the assignment operator?
1. <-
2. ->
3. =
4. ==
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Question 45 : Which of the following is/are statistical languages?
1. R
2. S
3. None of the mentioned
4. Both R and S
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Question 46 : What will happen if you set the private flag as 1?
1. Test will be run only by the administrator
2. Test will not be run
3. Test is public
4. Test is not displayed in public
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Question 47 : Which of the following method is used to replace the current history state instead of adding a new state to the browsing history?
1. replaceState()
2. replace(state)
3. replace()
4. change()
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Question 48 : Which symbol is used to start a comment?
1. /
2. $
3. #
4. ?
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Question 49 : Which of the following is/are the features of R?
1. Small
2. Self-contained
3. Extensible
4. All of the mentioned
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Question 50 : Which of the following are methods used to save charts?
1. pdf()
2. jpeg()
3. bmp()
4. all of the mentioned
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