Data Management

They told you you'd have to manage your time, manage your equipment, even manage your research assistants, but nobody told you that you'd have to manage your data. This post is an haphazard list of tips that I've found useful for keeping data well behaved and obedient and that I would like to share with …

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Depth-of-field

Depth-of-field (DoF) is one of the most fun things about photography. It is enjoyable on both the technical and artistic levels. Depth-of-field is the extent ("depth") in a scene that is in focus ("field") on a photograph. Artistically it is usually used to isolate a subject from the surroundings and can be used to indicate …

The curse of D- and the LDA

All you dataheads know the curse whose name must not be spoken. The curse of D(imensionality)! Let's look at how the curse sickens us when we perform Linear Discriminant Analysis (LDA). Our intuition, when we perform LDA, is that we are rotating a higher dimensional data space and casting a shadow onto a lower dimensional …