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Living in A Lognormal World

Recently, we had a client come to us with (among other things) the following question: Who is more valuable, Customer Type A, or Customer Type B? This client already tracked the net profit and loss generated by every customer who used his services, and had begun to analyze his customers […]

The Local to Global Principle

We describe the “the local to global principle.” It is a principle used to break algorithmic problem solving into two distinct phases (local criticism followed by global solution) and is an aid both in the design and in the application of algorithms. Instead of giving a formal definition of the […]