Student results from the 2009 Programme of International Student Assessment (PISA) as provided by the Organization for Economic Co-operation and Development (OECD). See [https://www.oecd.org/en/about/programmes/pisa.html/](https://www.oecd.org/en/about/programmes/pisa.html/) for more information including the code book.
a data frame with 66,548 obvservations of 65 variables.
Note that missing values have been imputed using the [mice](https://cran.r-project.org/package=mice) package. Details on the specific procedure are in the `pisa.impute` function in the [pisa](https://github.com/jbryer/pisa) package.
Organization for Economic Co-operation and Development (2009). Programme for International Student Assessment (PISA). [https://www.oecd.org/en/about/programmes/pisa.html](https://www.oecd.org/en/about/programmes/pisa.html)