4.2 Loading Libraries

  • The survey library is a statistical analysis tool in R that allows working with complex survey data, such as stratified, multistage, or weighted surveys. It provides functions for parameter estimation, sample design, analysis of variance and regression, and calculation of standard errors.

  • The tidyverse library is a collection of R packages used for data manipulation and visualization. It includes dplyr, ggplot2, tidyr, and others, characterized by its focus on ‘tidy’ or organized programming, making data exploration and analysis easier.

  • The srvyr library is an extension of the survey library that integrates survey functions with dplyr syntax, facilitating the manipulation of complex survey data. It includes functions for grouping, filtering, and summarizing survey data using ‘tidy’ syntax.

  • The TeachingSampling library is an R tool used for teaching statistical sampling methods. It includes functions for simulating different types of samples, estimating parameters, calculating standard errors, and constructing confidence intervals, among others.

  • The haven library is an R tool that allows importing and exporting data in different formats, including SPSS, Stata, and SAS. It works with survey data files, providing functions for labeling variables, coding missing data, and converting data across formats.

  • The bayesplot library is an R tool used for visualization and diagnostics of Bayesian models. It includes functions for plotting posterior distributions, convergence diagnostics, residual diagnostic plots, and other graphics related to Bayesian analysis.

  • The patchwork library is an R tool that allows simple and flexible combination of plots. This library makes creating complex plots easier by allowing the combination of multiple plots into a single visualization, especially useful in data analysis and modeling.

  • The stringr library is an R tool used for string manipulation. It includes functions for extracting, manipulating, and modifying text strings, particularly useful in data cleaning and preparation before analysis.

  • The rstan library is an R tool used for Bayesian model estimation using the Markov Chain Monte Carlo (MCMC) method. This library allows specifying and estimating complex models using a simple and flexible language, offering various tools for diagnosis and visualization of results.

library(survey)
library(tidyverse)
library(srvyr)
library(TeachingSampling)
library(haven)
library(bayesplot)
library(patchwork)
library(stringr)
library(rstan)