# Understanding Hypothesis Testing by Comparing it to our Legal System

Hypothesis testing enables us to make statements about statistical significance. There are direct parallels between our justice system and hypothesis testing. Since most of us […]

The statement “correlation does not imply causation” is well known and has become part of everyday language. The expression should more accurately be “correlation does […]

Time series data contains a column of values (e.g sales, costs) and a column of even time intervals (eg. days or months). Time series analysis […]

Permutations and combinations are important concepts to understand in order to estimate probability and make better decisions. Underlying the Seahawks fateful Superbowl decision lie the […]

The motivation of this post is to aide the understanding of the classification technique by explaining the evaluation tool for classification experiments: the confusion matrix. […]

We all know that some of our customers churn out of our products. What if we could predict which customer is next most likely to […]

Data analysis is a bit like mining for gold. In gold mining, sluice machines sift through tons of dirt before finding a few ounces of […]

Probability is largely about being able to count the possible outcomes. Using a standard six sided die is an excellent tool for learning the concept. […]

The word statistic is distinct from the word parameter. Statistics go with samples, and parameters go with populations. Statistics are estimates from samples and used […]

Logic is the foundation of clear thinking. Aristotle was the first to lay down the rules of clear thinking in his writings including Categories, On […]