The Meaning of Life, the Universe, and Internal Control Statistical Models

I call myself a data analyst. My company also calls me a data analyst. But for some time now I have had a nagging feeling of unworthiness of this title because I don't do data analyst things such as regressions and machine learning. In fact, I really don't touch anything resembling statistics in my analytical … Continue reading The Meaning of Life, the Universe, and Internal Control Statistical Models

Danger! Unexploded Data

Software applications commonly make use of tree structures to arrange items in a hierarchical manner. File systems, database indexes, bills of material, HR organizational data, etc are all usually structured in a tree format. The persisted data that represents these structures are often stored in a dictionary of parent/child relationships, looking something like this: If … Continue reading Danger! Unexploded Data