R variable names

R variable names

University

20 Qs

quiz-placeholder

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R variable names

R variable names

Assessment

Quiz

Specialty

University

Practice Problem

Medium

Created by

Vilmantas Gegzna

Used 4+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which operator is an assignent operator in R?

<<

<-

=-

=+

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which symbol is the digit "zero"?

o

O

0

x

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which case is considered to be

a good (recommended) style in the Tidyverse?

UpperCamelCase

lowerCamelCase

lower.dotted.case

lower_snake_case

UPPER_SNAKE_CASE

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Is this R variable name syntactically correct?

Does this code work?

student_names <- c("Jim", "Anne")

Code does NOT work
Code works but bad style
Code works and good style

5.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

firstobjectname <- 1

Code does NOT work
Code works but bad style
Code works and good style

6.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

obj_1 <- 1

Code does NOT work
Code works but bad style
Code works and good style

7.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

_object <- 1

Code does NOT work
Code works but bad style
Code works and good style

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