libname()
and lib_load()
parameters. The filter parameter allows the user to specify which data from the library they want loaded into memory.A package to create data libraries, data dictionaries, and the ability to perform a data step. The major functions are:
libname()
function creates a data librarydictionary()
function creates a data dictionarydatastep()
function steps through data row-by-row%eq%
allows comparison of any two R objects without errorThe packages also contains a variety of functions to manipulate data libraries: * lib_load()
: Loads a library into the workspace * lib_unload()
: Unloads a library from the workspace * lib_sync()
: Synchronizes the workspace with the library list * lib_write()
: Writes library data to the file system * lib_add()
: Adds data to a library * lib_replace()
: Replaces data in a library * lib_remove()
: Removes data from a library * lib_copy()
: Copies a data library * lib_delete()
: Deletes a data library * lib_info()
: Returns a data frame of information about the library * lib_path()
: Returns the path of a data library * lib_size()
: Returns the size of the data library in bytes * specs()
: Create a collection of import specifications * import_spec()
: Define an import specification for a file