This data is for running the APT regression tests. If you wish to copy it, you may want to run: wget --mirror -np http://bioinfo.ev.affymetrix.com/APT/regression-data/ Note: We hope to turn on rsync for external users in the future. Internal users can use the following command: rsync -Pa rsync://bioinfo.affymetrix.com/APT/regression-data/ regression-data/ enjoy!, The APT team.