R help - Sep 2015 - Clustering of clients (retail) - Free data sets?

Hi all,

I'm learning about how to do clusters of clients. ?

I've founde this nice presentation on the subject, but the data is not
avaliable to use. I've contacted the autor, hope he'll answer soon.

https://ds4ci.files.wordpress.com/2013/09/user08_jimp_custseg_revnov08.pdf

Someone knows similar tutorials? or good books on the subject?

Thanks very much!