Uses an Internet connection to download TIMSS Advanced data. Data come from timssandpirls.bc.edu zip files. This function works for 1995, 2008, and 2015 data.
Usage
downloadTIMSSAdv(
root,
years = c(1995, 2008, 2015),
cache = FALSE,
verbose = TRUE
)Arguments
- root
a character string indicating the directory where the TIMSS Advanced data should be stored. Files are placed in a subdirectory named TIMSSAdv/[year].
- years
an integer vector of the assessment years to download. Valid years are 1995, 2008, and 2015.
- 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
downloadTIMSSAdv(year=c(2008, 2015), root = "~/")
# cache=TRUE will download then process the datafiles
downloadTIMSSAdv(year=2015, root = "~/", cache = TRUE)
# set verbose=FALSE for silent output
# if year not specified, download all years
downloadTIMSSAdv(root="~/", verbose = FALSE)
} # }