Drag-and-drop data mining software for the classroom

The drag-and-drop (D&D) concept in data mining tools is very neat. You “drag” icons (aka “nodes”) that do different operations, and “connect” them to create a data mining process. This is also called “graphical programming”. What I especially like about it is that it keeps the big picture in your mind rather than getting blinded by analysis details. The end product is also much easier to present and document. There has been quite a bonanza lately with a few of the major D&D data mining software tools. Clementine (by SPSS – now IBM) is now called “IBM SPSS Modeler“. Insightful … Continue reading Drag-and-drop data mining software for the classroom

Creating map charts

With the growing amount of available geographical data, it is useful to be able to visualize one’s data on top of a map. Visualizing numeric and/or categorical information on top of a map is called a map chart. Two student teams in my Fall data mining class explored and displayed their data on map charts: one team compared economic, political, and well-being measures across different countries in the world. By linking a world map to their data, they could use color (hue and shading) to compare countries and geographical areas on those measures. Here’s an example of two maps that … Continue reading Creating map charts