".onLoad" <- function (lib, pkg) { ## The following controls the behavior when faced w. 2-digit years. ## ## To have 2-digit years actually refer to the first century ## options(chron.year.abb = FALSE) ## ## To flag all 2-digit years as error: ## options(chron.year.abb = TRUE, ## chron.year.expand = "year.strict") ## ## To allow 2-digit year abbreviations and guess(?) actual year: ## options(chron.year.abb = TRUE, ## chron.year.expand = "year.expand") options(chron.year.abb = TRUE, chron.year.expand = "year.expand") }