The Basics of R

The Basics of R

University

21 Qs

quiz-placeholder

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The Basics of R

The Basics of R

Assessment

Quiz

Computers

University

Hard

Created by

Adela Sobotkova

Used 11+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

What is this an icon of?

slack.png

R Project

R engine

R Studio

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What extension will an R script have?

.Rscript

.R

.Rproj

.Rmd

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which key autocompletes the existing object or function name when you start typing in R?
"->"
Shift
Tab
Escape

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is an absolute local path?
C:/users/me/Desktop/DigitalMethods/data/SAFI_clean.csv
data/SAFI_clean.csv
https://ndownloader.figshare.com/files/11492171
here/SAFI_clean.csv

5.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Which command below will create a new object called interviews?

interviews <- c(1,2,3)

interviews[interviews =="yes"]

create.dir(interviews)

interviews <- NULL

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does .Rproj extension denote?

It is the file extension for Rmarkdown document.

It designates an R working directory for R session and makes starting new research projects in R easier.

It is a file that needs to be active for R to work.

It is the file extension for R script.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What does getwd() do in R?
Displays the path to your current working directory
Lists the contents of the current directory
Sets the working space to the current directory
Sets the path to the current directory

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