DeltaMaster clicks! 08/2015

Early warnings with clever KPIs

Greetings, fellow data analysts! Entrepreneurs and managers have hoped to gain competitive advantages from sophisticated analytic technologies long before Big Data started making headlines in daily newspapers. Our experience from countless analysis projects, however, shows that all-knowing algorithms don’t necessarily reveal the best tips on what work is yet to be done. Oftentimes, the most valuable insights come from well-thought-out KPIs that are analyzed with robust methods. The secret here is asking the right questions and figuring out how to Read More …

DeltaMaster clicks! 06/2008

Absolute, relative and weighted variance

Greetings, fellow data analysts! Consumers who are conscious about their health or figure religiously check the nutrition labels to see how much fat is in certain food. In England, on the other hand, they simply use traffic-light colors to warn of excessive salt, fat and sugar. But who knows how they define “good” or “bad” when the numbers are missing? Germany’s regulations for cheese are even better. Manufacturers are required by law to display the fat content in dry weight Read More …