Software information

The calculations in this book were performed with R version 3.6.2 (R Core Team 2016), using the R survey package version 3.35 (Lumley 2019). Statistical package comparisons were calculated using SAS version 9.4 with SAS/STAT version 15.1 (SAS Institute Inc. 2020), SPSS Version 25 (IBM Corp 2017) and Stata/SE version 15.1 (StataCorp 2017).

Reference

IBM Corp. 2017. IBM SPSS Statistics for Windows, Version 25.0. Armonk, NY: IBM Corp. https://www.ibm.com/analytics/spss-statistics-software.
———. 2019. : Analysis of Complex Survey Samples. https://cran.r-project.org/package=survey.
R Core Team. 2016. R: A Language and Environment for Statistical Computing. Vienna, Austria: R Foundation for Statistical Computing. https://www.r-project.org/.
SAS Institute Inc. 2020. The SAS System, Version 9.4. Cary, NC. https://www.sas.com/.
StataCorp. 2017. Stata Statistical Software: Release 15. College Station, TX: StataCorp LLC. https://www.stata.com.