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PracTools (version 1.6.1)

Designing and Weighting Survey Samples

Description

Functions and datasets to support Valliant, Dever, and Kreuter (2018), , "Practical Tools for Designing and Weighting Survey Samples". Contains functions for sample size calculation for survey samples using stratified or clustered one-, two-, and three-stage sample designs, and single-stage audit sample designs. Functions are included that will group geographic units accounting for distances apart and measures of size. Other functions compute variance components for multistage designs, sample sizes in two-phase designs, and a stopping rule for ending data collection. A number of example data sets are included.

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Install

install.packages('PracTools')

Monthly Downloads

800

Version

1.6.1

License

GPL-3

Maintainer

Richard Valliant

Last Published

May 11th, 2025

Functions in PracTools (1.6.1)

Generate an HMT population

Form PSUs based on geographic distances

Stopping rule for surveys

Check geographic PSUs to determine whether any are less than minimum measure of size threshold

Sample sizes for a nonresponse follow-up study

Accounting data for some US cities with latitude and longitude of the city centroids

Third grade population

Class-based nonresponse adjustments

Maryland area population

Henry design effect for pps sampling and GREG estimation of totals

Design effects of various types

Compute optimal sample sizes for a two-stage sample

Sample sizes for a double sampling design

Chen-Rust design effect

Compute the sample size required to estimate the mean of a continuous variable by optimizing the numbers of take-alls and non-take-all units selected by probability sampling

Spencer design effect for an estimated total from a pps sample

Compute optimal sample sizes for a three-stage sample

clusOpt3fixedPSU

Compute optimal number of sample secondary sampling units (SSUs) and elements per SSU for a fixed set of primary sampling units (PSUs) in a three-stage sample

clusOpt2fixedPSU

Optimal number of sample elements per PSU in a two-stage sample when the sample of PSUs is fixed

Kish design effect

Compute a simple random sample size for an estimated mean of a continuous variable based on margin of error

Compute a simple random sample size for an estimated mean

Sample sizes for a Monetary Unit Sample in an audit

Estimate variance model parameter

γ

Labor force population

Michigan Behavioral Risk Factor Surveillance Survey

Sample sizes for an attribute sample in an audit

Compute the total sample size for a simple random sample based on an Edgeworth approximation

Iteratively estimate variance model parameter

γ

Calculate simple random sample size for estimating a proportion

Simple random sample size for a proportion based on margin of error

Compute the total sample size for a stratified, simple random sample based on an Edgeworth approximation

Simple random sample size for difference in means

Compute a simple random sample size for an estimated mean or total for a domain

Calculate a simple random sample size for estimating a proportion

Calculate the sample size for a probability proportional to size (PPS) sample

Simple random sample size for difference in proportions

National Health Interview Survey data from 2003: socioeconomic variables

Form nonresponse adjustment classes based on propensity scores

Compute the roots of a quadratic equation

Survey of Mental Health Organizations Data

Survey of Mental Health Organizations Data

Compute weighted variance

Allocate a sample to strata

Compute simple random sample size for estimating a proportion

Compute the unit (population) variance for a variable

National Health Interview Survey: Demographic variables

National Health Interview Survey: Demographic and health variables

Compute moments of a variable from either a population or sample

Relvariance components for 3-stage sample

Compute a composite measure of size for domain-based two-stage sampling

Coefficient of variation of an estimated total in a 3-stage sample

Estimated relvariance components for 3-stage sample

Split geographic PSUs based on a measure of size threshold

Estimated relvariance components for 2-stage sample

Relvariance components for 2-stage sample

Coefficient of variation of an estimated total in a 2-stage sample

Relvariance components for 2-stage sample