One reason there's such a plethora of tools a data scientist supposedly should master is a fundamental lack of understanding on the part of companies regarding

One reason there's such a plethora of tools a data scientist supposedly should master is a fundamental lack of understanding on the part of companies regarding what a data scientist actually does. I recommend reading "Analysing the analysers" which discusses the different kinds of data scientist and the relevant skillsets. It also touches on the employer ignorance aspect. http://www.oreilly.com/data/free/files/analyzing-the-analyzers.pdf http://www.oreilly.com/data/free/files/analyzing-the-analyze...