Most English-speakers are familiar with Murphy’s Law, which states:
Anything that can go wrong, will go wrong.
Realistically, this should read:
Anything that can go wrong, will go wrong… in the worst possible way at the most inconvenient time.
There are a lot of opportunities for Murphy’s Law to prove itself in the world of data analysis. Here are some of the ones that most often occur in my traipsing through the data.