sample-methods: Take a Sample from a Data Frame

In mutils: Basic Utilities for Data Management, Graphics, and Simulation

Description

This method is a convenience short-cut to take samples from data frames. It results in a data frame the rows of which are a sample of the complete data frame.

Usage

## S4 method for signature 'data.frame'
sample(x, size, replace = FALSE, prob = NULL)

Arguments

x	a data frame.
size	an (optional) numerical value, the sample size, defaults to the total number of rows of x.
replace	a logical value, determines whether sampling takes place with or without replacement.
prob	a vector of sampling probabities or NULL.

Value

A data frame.

Examples

for(.i in 1:4)
  print(sample(iris,5))

mutils documentation built on May 2, 2019, 4:44 p.m.