surveytoolbox: Useful Support Functions for Survey Analysis

Summary

This branch

Changes

The changes made in this PR are: 1. Change 1 1. Change 2

Checks

[ ] All R CMD checks pass
[ ] roxygen2::roxygenise() has been run prior to merging to ensure that .Rd and NAMESPACE files are up to date.
[ ] NEWS.md has been updated.

Change Type

Please check the type of change your PR introduces: - [ ] Bugfix - [ ] Feature (incl. changes to visualizations) - [ ] Technical design - [ ] Build related changes (e.g. tests) - [ ] Refactoring (no functional changes, no api changes) - [ ] Code style update (formatting, renaming) or Documentation content changes - [ ] Other (please describe):