R programming

In which year R-Core group was formed?

• 1993

• 1996

• 1997

• 1998

Version of R released to the public in 2000 was_________

• 1.0.0

• 1.0.3

• 2.0.1

• 1.1.0

R runs on the ____________ operating system.

• Linux

• Windows

• Ubuntu

• Any operating system

You can download “base” R system from _________

• A

• B

• CRAN

• D

Which of the following command is used to print an object “x” in R?

• printf(x)

• print(x)

• printx

• print[x]

What will be the output of the following R code?

> x <- 6

> class(x)

• “integer”

• “numeric”

• “real”

• “imaginary”

What will be the output of the following R code?

> sqrt(-17)

• -4.02

• 4.02

• NaN

• 3.67

Who developed R?

• Dennis Ritchie

• John Chambers

• Bjarne Stroustrup

• Ross Ihaka

R was named partly after the first names of____R authors?

• One

• Two

• Three

• Four

Packages are useful in collecting sets into a_____unit ?

• Single

• Multiple