Q. Which of the following statement changes column name to h and f?

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Q. Point out the correct statement?

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Q. Data frames can be converted to a matrix by calling data _______

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Q. Point out the wrong statement?

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Q. Which of the following code snippet will create a vector with NAs in it?

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Q. Which of the following is valid assignment?

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Q. Point out the wrong statement?

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Q. Point out the correct statement?

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Q. The ________ function takes an arbitrary number of arguments and concatenates them one by one into character strings.

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Q. The _________ function returns a list of densities (y) corresponding to bin values (x).

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Q. Locator function gives output as ___________

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Q. Density function gives output as ________

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Q. Which function gives the list as output?

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Q. Joining two lists can be achieved either using the _________ function.

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Q. Which function can be used to determine the names assigned to a list?

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Q. The length of a list is ______ to the number of components in that list.

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Q. To extract a sublist, we use _________ brackets.

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Q. The first component can be accessed using __________ operator.

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Q. How can we access the first component of the list?

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Q. First component of the list can be accessed by _____________

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