Technical Skills
Technical skills requirements vary broadly on a case-by-case basis. As a basis, all data analyst/scientist must be able to manipulate data, usually with Python or R, and sometimes with software like SAS, and have a good understanding of statistics.
Given that basis, further technical skills requirements vary broadly on a case-by-case basis.
Traditional predictive analytics might require knowledge and experience with R, Python or some specific tools such as Stata or SAS.