That is a big world... "Data Analytics", I work in data analytics support and i'm a senior DBA/Programmer for a major research team. In the very wide picture of things data analytics is the analysis of data--trends, relations between sets, analysis and fitting together of everything to support a specific field of endeavor, or cross endeavor support from an engineered core sample--and all the tools and people and skills that go along with it.
Could you narrow your question down a bit, because, in reality, you are expecting an answer to what is an octopus, but asking what fish are?
Out on HF and heard nobody, but didn't call CQ? Nobody heard you either. 73 de N7GH
To do a great right, do a little wrong - shakepeare. twisted little ad: