The Data Budget
Larger quantities of data permit greater precision, greater certainty and more detail in analysis. As observation counts increase, standard errors…
Data Quality Magic
In previous posts I explained that, at least in regards to data quality, there are no magic beans, tooth fairies,…
You need to use social services to understand them
I don’t know if Malcolm Gladwell is right when he claims “the revolution will not be tweeted,” but I can…
Auto-correlation for time series analysis
Recently, I was reading the EPFL magazine and was surprised to see an article where they interviewed my master thesis…
Online privacy: what’s at stake
It is widely believed that a flourishing democracy requires an independent, diverse, and financially solvent press. With print newspapers set…
What Does a World-Class BI Program Look Like?
I was asked this question last week at an internal meeting for the BI teams of a large Nordic telecom…
Truly Distributed Analytics
The growth and success of Hadoop is very interesting. It is emerging as a highly significant technology for the data…
That Wall Dividing IT and Users
What more can I say about this provocative and contentious issue of a barrier wall separating IT and the business…