From RStudio's CRAN Mirror http://cran-logs.rstudio.com/
ipPackage(ip = 10, date = NULL, all.filters = FALSE, ip.filter = FALSE,
small.filter = FALSE, sequence.filter = FALSE, size.filter = FALSE,
sort.count = TRUE, memoization = TRUE, multi.core = FALSE)
Numeric. ip_id. Positive integer.
Character. Date. "yyyy-mm-dd". NULL uses latest available log.
Logical. Master switch for filters.
Logical.
Logical. TRUE filters out downloads less than 1000 bytes.
Logical.
Logical.
Logical. Sort by download count.
Logical. Use memoization when downloading logs.
Logical or Numeric. TRUE
uses parallel::detectCores()
. FALSE
uses one, single core. You can also specify the number logical cores. Mac and Unix only.