SciencesPo (version 1.3.9)

sampleSize: Simple Sample Size for Surveys

Description

Compute sample size for surveys.

Usage

sampleSize(p, delta = "auto", popsize = NULL, deff = 1, alpha = 0.05)

Arguments

p

The proportion.

delta

The error size.

popsize

An integer for the population size.

deff

An intger for the deff.

alpha

The level of alpha/significance.

Examples

# Comercial public opinion samples in Brazil:
sampleSize(p=.50, delta=.03)
sampleSize(p=.50, delta=.02)