pisana
(Package: multilevelPSA) :
North American (i.e. Canada, Mexico, and United States) student results of the 2009
Student results from the 2009 Programme of International Student Assessment (PISA) as provided by the Organization for Economic Co-operation and Development (OECD). See http://www.pisa.oecd.org/ for more information including the code book.
This data frame provides three variables, Variable corresponding to the column names in pisana, ShortDesc providing a short description of the variable as a valid R object name, and Desc providing a longer description of the variable.
providing 
.