R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'Ecfun'

Ecfun::UpdatingUSGDPpresidents |  | Updating USGDPpresidents | HTML | source | R code
Ecfun::nuclearArmageddon |  | Time to nuclear Armageddon | HTML | source | R code
Ecfun::update_nuclearWeaponStates |  | Update nuclearWeaponStates dataset | HTML | source | R code
Ecfun::updateOCC1950 |  | Accountants-Auditors-IPUMS | HTML | source | R code