Answer / Kamal Raj Sirohi

R provides several types of objects including vectors, matrices, data frames, lists, factors, arrays, and functions. Each type has specific attributes and methods associated with it.

What is s4?

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How will you measure the probability of a binary response variable in r language?

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Explain how to read data or a matrix from a file?

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Explain how to write files?

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What is the Use of String Utilities in the edtdbg Debugging Tool in R string manipulation?

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What are Generic Functions in R?

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How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

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What is sapply() in r?

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How would you make multiple plots onto a single page in r?

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Which function is used to create a boxplot graph in R?

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How would you write a custom function in r? Give an example.

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Explain more functions in brief in r?

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