sample-methos: Random Samples and Permutations for Data Frames

In kimisc: Kirill's miscellaneous functions

Description

This function takes a sample of the specified size from the rows of x using either with or without replacement.

Usage

sample.rows(x, size, replace = FALSE, prob = NULL)

Arguments

x	A data frame.
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 rows of the data frame being sampled.

Details

This function internally calls sample.int.

Value

A data frame of the same shape as x.

Examples

set.seed(42)
sample.rows(data.frame(a=c(1,2,3), b=c(4,5,6), row.names=c('a', 'b', 'c')), 10, replace=TRUE)

kimisc documentation built on May 2, 2019, 6:09 p.m.