Control Structures In R Programming - Study Mode

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[#141] What are the data types in R on which binary operators can be applied?

(A) Scalars

(B) Matrices

(C) Vectors

(D) Scalars, Matrices and Vectors

Correct Answer

(D) Scalars, Matrices and Vectors

[#142] . . . . . . . . function is used for reading the .csv file in R language.

(A) Write.csv()

(B) Read.csv ()

(C) Let.csv()

(D) Table.csv()

Correct Answer

(B) Read.csv ()

[#143] If a programmer wants the output to be a list then . . . . . . . . function is used.

(A) Lapply

(B) Sapply

(C) Vapply

(D) Zapply

Correct Answer

(B) Sapply

[#144] R code can be tested using . . . . . . . . package.

(A) Dplyr

(B) Hadley's testthat

(C) SKLearn

(D) KNN

Correct Answer

(B) Hadley's testthat

[#145] How many types of data structures does R language have?

(A) 2

(B) 3

(C) 5

(D) 8

Correct Answer

(A) 2