Only downloads the specified files if it is not found locally. Optionally unzips the files.

dl.data(urls, dest = ".", checksum = TRUE, unzip = FALSE)

Arguments

urls

A character vector of data file URLs.

dest

The directory path in which data should be downloaded.

checksum

Logical indicating whether downloaded files should be checksummed.

unzip

Logical indicating whether the file should be unzipped after download.

Author

Alex Chubaty and Eliot Mcintire