1. You need to download libsvm from https://www.csie.ntu.edu.tw/~cjlin/libsvm/ and add the proper package to path.
2. The example data from our experiment is downloaded from http://www-scf.usc.edu/~boqinggo/domainadaptation.html. We row nomalize each data first and then center each columns of data to have mean 0 standard deviation 1.