Cluster analysis is NOT scary, I promise

Cluster analysis is NOT scary, I promise

Cluster analysis as defined by a statistician:  A procedure by which subjects, cases, or variables are clustered into groups based on similar characteristics of each.  Hierarchical cluster analysis attempts to identify relatively homogenous groups of variables (or...
Tacky Tourist: Fondling AND Picking

Tacky Tourist: Fondling AND Picking

In our ongoing series of tourists doing or wearing, shall we say…interesting things.  Some will make you chuckle, some will make you see red, and some will make you want to track these people down and spank them with a trowel.  At least this one–who was...

Humans are hard-wired to create patterns

Patternicity—Noun—The tendency to find meaningful patterns in both meaningful and meaningless noise. This TED talk demonstrates one of the primary reasons why using a quantitative analytical approach for identifying patterns is vastly superior to relying on an...
Tacky Tourist: She’s wearing a hanky

Tacky Tourist: She’s wearing a hanky

Our ongoing series of tourists wearing or doing, shall we say…interesting things.  Some will make you chuckle, some will make you weep, some will make you want to track these people down and beat them with wet noodles.  Not only is this one tacky, but she seems...
Factor Analysis is NOT scary, I promise

Factor Analysis is NOT scary, I promise

There are two primary advanced statistical techniques that have already been applied to selected data from Medinet Habu—factor analysis and cluster analysis.  This post will endeavor to explain the insights provided by factor analysis in the examination of visual...