There is a lot of data to analyze. And there are a lot of statistical and mathematical models to use. This is an attempt to make sense of it all from a practical standpoint.
I am Sr Data Scientist at Barnes & Noble and my views here do not reflect those of my employer.
sane.a.lytics 
why no more posts??
Good blog! I really love how it is simple on my eyes and the data are well written. I am wondering how I could be notified when a new post has been made. I’ve subscribed to your RSS which must do the trick! Have a nice day!