stackoverflow: randomRows – R documentation

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randomRows

Sample rows from a dataframe or matrix

Sample rows from a dataframe or matrix

randomRows(x, size, replace = FALSE, prob = NULL)

`x`	a data frame or matrix
`size`	a non-negative integer giving the number of items to choose.
`replace`	Should sampling be with replacement?
`prob`	A vector of probability weights for obtaining the elements of the vector being sampled.

Matched parameters to sample – njf, May 18, 2015