Data Science Quiz 1

R is an__________programming language?

• Closed source

• GPL

• Open source

• Definite source

Who developed R?

• Dennis Ritchie

• Ross Ihaka & Robert Gentleman

• Bjarne Stroustrup

• James Gosling

R is an interpreted language so it can access through_____________?

• Disk operating system

• Command line interpreter

• Operating system

• User interface operating system

The ____________ in R is a vector.

• Basic data structure

• Basic datatypes

• Both

Vectors come in two parts_____ and _____.

• Atomic vectors and matrix

• Atomic vectors and array

• Atomic vectors and list

Atomic vectors and Lists have three common properties :

• Type function, what it is?

• Length function, how many elements it contains.

• Attribute function, extra arbitrary metadata.

• None of Above

• All of the above

Which is the type of R Atomic Vectors?

• Numeric Data Type

• Integer Data Type

• Both

• None of the above

Find correct code for combining following Vectors :

n = c (1, 3, 8)

s = s (p, q, r)

• A(s, n)

• C (n, s)

• D(n, s)

• E(n, s)

Following is The vector of logical values:

• > TEMPERATURE[-2]

• > TEMPERATURE[c("Q1", "Q4")]

• > TEMPERATURE[TEMPERATURE < 15]

• > TEMPERATURE[2]

Which are the R Data Types?

• Vector

• Matrices

• Lists

• None of the above

• All of the above