
2da Maratón
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Mathematics
University
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25 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Qué es un "DF"?
Data Frame
Archivo de extensión .csv
Es el tamaño efectivo de la muestra
Un comando de RStudio
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sinónimo de "Unidad Muestral" en un DF
Observación
Fila
Dato
Columna
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Una Columna es una Variable
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un Dato es una intersección entre una Observación y una Variable
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sinónimo de Outlier
Dato atípico
Los bigotes de un Boxplot
Dato NA
Observación incompleta
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la cantidad de Casos Completos en un DF
Tamaño efectivo de la muestra
Representatividad de la muestra
Sesgo de la muestra
Asimetría de la muestra
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se calcula el Tamaño Efectivo de la muestra?
nrow(DF)
sum(complete.cases(DF))
sum(!is.na(DF))
read_csv("DF.csv")
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