EXBSLR_1

EXBSLR_1

University

20 Qs

quiz-placeholder

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EXBSLR_1

EXBSLR_1

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

Mario Tani

Used 1+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In RStudio, per importare un dataset si usa tipicamente il menu:

File > Import Dataset
Code > Import Dataset
Environment > Import Dataset
Tools > Import Dataset

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In RStudio, l'help di una funzione si visualizza principalmente nel pannello:

Help (in basso a destra)
Console (in basso a sinistra)
Environment (in alto a destra)
History (in alto a sinistra)

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In RStudio, per installare un nuovo pacchetto si usa tipicamente il tab:

Packages
Files
Plots
Help

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Per eseguire il codice selezionato in uno script, si usa la scorciatoia:

Ctrl+Enter (o Cmd+Enter su macOS)
Ctrl+Shift+S
Ctrl+S
Ctrl+R

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Quale pannello di RStudio mostra la directory di lavoro corrente?

Files
Console
Environment
History

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

c(1, 2, "tre") crea:

Un vettore di caratteri.
Un vettore numerico.
Un errore.
Una lista.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

1:5 è equivalente a:

c(1, 2, 3, 4, 5)
seq(1, 5, by = 2)
rep(1, 5)
seq(5, 1)

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