The help() purpose and ? operator are handy only if you presently know the name with the functionality that you need to use. Additionally, there are amenities during the standard R distribution for discovering capabilities and other objects. Vignettes could also be accessed through the CRAN page with the bundle https://pay-sameone-to-do-r-progr31131.humor-blog.com/28090837/r-programming-homework-help-can-be-fun-for-anyone