Introduction to lists
Often unnamed.
anotherlist <- list("a", list(TRUE, FALSE))
anotherlist
## [[1]]
## [1] "a"
##
## [[2]]
## [[2]][[1]]
## [1] TRUE
##
## [[2]][[2]]
## [1] FALSE
## List of 2
## $ : chr "a"
## $ :List of 2
## ..$ : logi TRUE
## ..$ : logi FALSE
## [[1]]
## [1] TRUE
##
## [[2]]
## [1] FALSE
## [1] TRUE