How does a data scientist differ from a statistician or BI analyst?
Data scientists work with a mix of Big Data tools that stores or has data. They have a strong technology skill set because they are programmers, and also have very strong math skills, particularly statistics. They also have a strong understanding of business as they work directly with an organisation. A statistician interprets and analyzes statistical information to solve a range of issues. They use graphs, charts and tables of their statistical analysis for reporting their findings. They also develop software applications for graphic analysis and/or statistic modeling. A BI Analyst works with BI tools to perform analysis. They have knowledge of data warehousing and understands how a star schema is modelled. This allows them to perform analysis either through a reporting tool or using SQL to create the information that the business users require. .