Uses an Internet connection to download ELS data. Data come from nces.ed.gov zip files. This function works for 2002 data.
Usage
downloadELS(root, years = c(2002), cache = FALSE, verbose = TRUE)Arguments
- root
a character string indicating the directory where the ELS data should be stored. Files are placed in a subdirectory named ELS/[year].
- years
an integer vector of the assessment years to download. Valid year is 2002 only.
- cache
a logical value set to process and cache the text (.txt) version of files. This takes a very long time but saves time for future uses of the data. Default value is
FALSE.- verbose
a logical value to either print or suppress status message output. The default value is
TRUE.
Examples
if (FALSE) { # \dontrun{
# root argument will vary by operating system conventions
downloadELS(years=2002, root = "~/")
# cache=TRUE will download then process the datafiles
downloadELS(years=2002, root = "~/", cache = TRUE)
# set verbose=FALSE for silent output
# if year not specified, download all years
downloadELS(root="~/", verbose = FALSE)
} # }