Q. To bind a row onto an already existing matrix, the ______ function can be used.

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Q. Which of the following is a 3-dimensional dataset?

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Q. Which dimension corresponds to the explanatory variables collected for each species?

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Q. Using the ________ vector, we create a species factor and bind it to the columns of iris.df.

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Q. Accessing elements is achieved through a process called ________

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Q. Which are indexed by either row or column using a specific name or number?

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Q. What should we use to access elements with a value greater than five?

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Q. Lists can be created using the _______ function.

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

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

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

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

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

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

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

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Q. Which function gives the list as output?

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Q. Density function gives output as ________

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Q. Locator function gives output as ___________

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

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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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