sample-methods

0th

Percentile

Take a Sample from a Data Frame-like Object

The methods below are convenience short-cuts to take samples from data frames and data sets. They result in a data frame or data set, respectively, the rows of which are a sample of the complete data frame/data set.

Usage
# S4 method for data.frame
sample(x, size, replace = FALSE, prob = NULL)
# S4 method for data.set
sample(x, size, replace = FALSE, prob = NULL)
# S4 method for importer
sample(x, size, replace = FALSE, prob = NULL)
Arguments
x

a data frame or data set.

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 or data set.

Aliases
  • sample,data.frame-method
  • sample,data.set-method
  • sample,importer-method
Examples
# NOT RUN {
for(.i in 1:4)
  print(sample(iris,5))
# }
Documentation reproduced from package memisc, version 0.99.27.3, License: GPL-2

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