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Data Science and Machine Learning with R - R Basics

Data Science and Machine Learning with R - R Basics

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial introduces the R Studio interface, focusing on the console where users can interact with R. It covers basic arithmetic operations, advanced console features, and data types. The tutorial provides a sneak peek into using R for data science and machine learning, emphasizing the console's role in executing commands and exploring logical operators and data types.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the console pane in R Studio?

To edit R scripts

To manage project files

To interact directly with R

To display graphical outputs

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which symbol is used for multiplication in the R console?

x

*

+

/

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you input text without quotes in the R console?

It is treated as a comment

It results in an error

It is printed as text

It is ignored

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which function can be used to combine two pieces of text in R?

join()

paste()

merge()

concat()

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you retrieve previous commands in the R console?

Using the 'ctrl + z' shortcut

Using the 'backspace' key

Using the 'history' function

Using the 'up' arrow key

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of the logical operation '10 > 5' in R?

Error

False

Undefined

True

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which data type in R allows for decimal numbers?

Numeric

Integer

Character

Logical

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