Q. ____________ function can be used to select the random sample of size ‘n’ from a huge dataset.

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Q. Which function is used to select variables and observations from a given dataset?

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Q. ____________ package in R language provides various options for re-randomization and permutations based on statistical tests.

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Q. A matrix of scatterplots can be produced using _________ function.

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Q. __________ function takes various parameters like formula, data, subset, labels, etc.

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Q. How will you check if an element is present in a vector?

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Q. ________ function is usually used inside another function and throws a warning whenever a particular package is not found.

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Q. ___________ function gives an error message if the desired package cannot be loaded.

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Q. A ________________ in R programming language can also contain numeric and alphabets along with special characters like dot and underline.

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Q. The current user defined objects like lists, vectors, etc. is referred to as __________ in the R language.

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Q. Which function helps you perform sorting in R language?

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Q. Which function is used to create a histogram for visualisation in R programming language?

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Q. Write the syntax to set the path of the current working directory in R environment?

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Q. What will be the output of runif()?

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Q. ________ function generates “n” normal random numbers based on the mean and standard deviation arguments passed to the function.

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Q. Write a function to extract the first name in the string “Mrs. Jake Luther”?

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Q. _________ package provides basic functionalities in R environment like arithmetic calculations, input/output.

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Q. Which function basically finds the intersection between two different sets of data?

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Q. Which function calculates the count of each category of a categorical variable?

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Q. The cumulative frequency distribution of a categorical variable can be checked using the ________ function in R language.

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