Tag Archives: cluster analysis

Ten Tactics used in the War on Error

Scientists and other theory-driven data analysts focus on eliminating bias and maximizing accuracy so they can find trends and patterns in their data. That’s necessary for any type of data analysis. For statisticians, though, the real enemy in the battle … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , , , , , | 2 Comments

Becoming Part of the Group

Imagine looking for patterns in a scatter plot of two variables. You see no linear trends, no curvilinear trends, and no cyclic or sinusoidal trends. Does that mean there are no associations between the variables? Maybe not. Most people think … Continue reading

Posted in Uncategorized | Tagged , , , , , , | 8 Comments

The Right Tool for the Job

Statistics are like power tools. If you know how to use them, they are incredibly valuable and fun to use. They help you do your job better, more thoroughly, and more quickly. But if you are careless, they can cause … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , , , , , , | 9 Comments