data set

reshape (from base) Explained: Part II

May 5, 2012 | tylerrinker

Part II Explains More Complex  Wide to Long With base reshape  In part I of this base reshape tutorial we went over the basics of reshaping data with reshape.  We learned two rules that help us to be more efficient … Continue reading → [Read more...]

Empirical software engineering is five years old

March 31, 2011 | Derek-Jones

Science and engineering are built on theoretical models that are tested against measurements of ‘reality’. Until around 10 years ago there was very little software engineering ‘reality’ publicly available; companies rarely made source available and were generally unforthcoming about any bugs that had been discovered. What happened around 10 years ago was ... [Read more...]

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