R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'perccalc'

perccalc::perc_calculator_example |  | Case study: percentile differences using the General Social Survey | HTML | source | R code
perccalc::perc_warning_example |  | Warning message with perccalc package | HTML | source | R code
perccalc::pisa_example |  | Case study: percentile distributions in test scores using PISA | HTML | source | R code