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The Basic Principles of Predictive Analytics

In common practice, statistical models are created by data scientists who use a very general language to select among a number of modeling packages. Languages grow in the number of features and the number of potential modeling packages is open ended. As the technology...

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A Closer Look at Exploratory Data Analysis: What and Why

What it is An Exploratory Data Analysis, or EDA, is an exhaustive look at existing data from current and historical surveys conducted by a company. In addition, the appropriate variables from your company’s customer database—such as information about rate plans,...

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How Much Sample Do I Need?

We are often asked how much study sample is needed when clients work with us to design a study. This question can be definitely answered with 2 other questions: 1. How much budget do you have? 2. How much certainty do you want in the results? The first question seems...

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