
R check
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Medium
Xavier Carasa
Used 2+ times
FREE Resource
Enhance your content in a minute
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál de las siguientes opciones NO es una estructura de datos atómica en R?
Vector
Texto
Lista
Matrix
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál de las siguientes funciones se usa para verificar la estructura de un objeto en R?
summary()
describe()
structure()
str()
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál de las siguientes funciones se utiliza para obtener un resumen estadístico básico de un objeto en R?
info()
describe()
summary()
stat()
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
¿Cómo puedes generar una secuencia de números del 1 al 10 en R?
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Si tenemos un dataframe df y queremos acceder a la columna "edad", ¿cuál o cuáles de las siguientes opciones es correcta?
df.edad
df[edad]
df["edad",]
df$edad
df[,"edad"]
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué función se utiliza para aplicar una función a cada elemento de un vector o lista en R?
apply()
sapply()
lapply()
dapply()
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué función se usa para cargar un paquete en R después de haberlo instalado?
load()
library()
source()
use()
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