# Create a data frame
df <- data.frame(
ID = c(1:100),
math = c(round(runif(100,1,10))),
physics = c(round(runif(100,1,10))),
english = c(round(runif(100,1,10)))
)
# Return the first n rows of the data frame
head(df)Source code: rtutorial.dev
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