Randomly draws observations from a data set
This function is useful to check a data set. It gives a random number of rows of the input data set.
sample_df(x, n = 10, previous = FALSE)
x
: A data set: either a vector, a matrix or a data frame.n
: The number of random rows/elements to sample randomly.previous
: Logical scalar. Whether the results of the previous draw should be returned.A data base (resp vector) with n
rows (resp elements).
sample_df(iris) sample_df(iris, previous = TRUE)
Laurent Berge
Useful links