Data Analyst vs Data Scientist

Data analysts typically work with structured data to solve tangible business problems using tools like SQL, R or Python programming languages, data visualization software, and statistical analysis.

Common tasks for a data analyst might include: Collaborating with organizational leaders to identify informational needs Acquiring data from primary and secondary sources Cleaning and reorganizing data for analysis Analyzing data sets to spot trends and patterns that can be translated into actionable insights Presenting findings in an easy-to-understand way to inform data-driven decisions

Beside technical skills, you should know about Business Domain to become Expert Data Analyst or Data Scientist.

Mathematics	Foundational math, statistics	Advanced statistics, predictive analytics
Programming	Basic fluency in R, Python, SQL	Advanced Object-Oriented Programming
Software and Tools	SAS, Excel, Business Intelligence Software	Hadoop, MySQL, TensorFlow, Spark
Other Skills	Analytical thinking, Data Visualization	Machine Learning, Data Modeling