urn_sampler: Sample red and black marbles from an urn of marbles #'
In mark-andrews/isdsr-pkg: Tools and Datasets to Accompany ISDSR Textbook

urn_sampler

R Documentation

Sample red and black marbles from an urn of marbles #'

Description

Sample red and black marbles from an urn of marbles #'

Usage

urn_sampler(
  red = 50,
  black = 50,
  sample_size = 25,
  red_proportion = NULL,
  urn_size = NULL,
  replace = TRUE,
  repetitions = 1,
  tally = FALSE
)

Arguments

`red`	The number of red marbles in the urn.
`black`	The number of black marbles in the urn.
`sample_size`	The number of marbles to draw from the urn.
`replace`	Is the sampling with or without replacement?
`repetitions`	The number of repetitions of this sampling to be done.
`tally`	If TRUE, instead of returning the data frame of all samples, return a data frame of the number of times each combination of red and black marbles occur in the samples.

Value

A data frame with two columns: n_red and n_black, which give the number of red and black marbles, respectively, in the sample of size sample_size. Each row of the data frame gives the results of the repetition of this experiment.