# Vignettes and other documentation

## Vignettes from package 'survey'

survey::domain |  | Estimates in subpopulations | PDF | source | R code
survey::epi |  | Two-phase designs in epidemiology | PDF | source | R code
survey::phase1 |  | Obsolete formulas for two-phase variances | PDF | source | R code
survey::pps |  | Analysing PPS designs | PDF | source | R code
survey::survey |  | A survey analysis example | PDF | source | R code

## Other files in the doc directory

| nwtco-subcohort.rda
| nwts.rda