@data{spline-reg/2014,
author = {Ma, Shujie and Racine, Jeffrey S. and Yang, Lijian},
publisher = {ZBW - Leibniz Informationszentrum Wirtschaft},
title = {spline-regression-in-the-presence-of-categorical-predictors},
year = {2014},
version = {1},
url = {https://jda-test.zbw.eu/dataset/spline-regression-in-the-presence-of-categorical-predictors} 
}