1, mathematical knowledge
Mathematical knowledge is the basic knowledge of data analysts. Junior data analysts need to know some basic contents related to descriptive statistics and have certain formula calculation ability.
2. Analytical tools
Junior data analysts must be proficient in using pivot tables and formulas. You should also learn a statistical analysis tool, and SPSS is better as an introduction.
3. Programming language
For junior data analysts, it is enough to write SQL queries, Hadoop and Hive queries. For senior data analysts, besides SQL, they also need to learn Python, which is used to acquire and process data, and get twice the result with half the effort.
4. Business understanding
Business understanding is the basis of all the work of data analysts. The data acquisition scheme, the selection of indicators and even the insight into the final conclusion all depend on the data analyst's understanding of the business itself. If you are interested, click here to study for free.
For more information about big data, please consult Dana Education. The organization is committed to training professionals in the IT Internet industry, such as software development engineers, test engineers, UI designers, network marketing engineers and accountants. We have a perfect teaching and research team and a strong faculty to ensure students' interest and all-round learning. It has also signed talent training agreements with a number of enterprises to comprehensively help students find jobs better. Dana IT training institutions, audition places are snapped up in a limited time.