What is a big data analyst?

The big data analyst corresponds to the CDA level 2 big data analyst exam. They focus on the technology of building management data models, carefully examine data, and provide reports and visualizations to explain the insights of data hiding, model optimization and improvement. Salary that can be obtained: As the builder of the architecture, big data analysts play an important role in the programming framework, and the monthly salary is generally 25 K-50 K Theoretical basis: statistics, probability theory and database, data mining, JAVA foundation, Linux basic software requirements: necessary SQL, Hadoop, HDFS, Mapreduce, Mahout, Hive, Spark；; Optional R, Hadoop, Hbase, ZooKeeper, Pig and other business analysis capabilities: familiar with the architecture design of hadoop+hive+spark for big data analysis, and able to propose big data architecture solutions for different businesses. Master the functions and application scenarios of Spark MLlib and SparkSQL on hadoop+hive+ Spark+tableau platform, and select appropriate components for analysis and processing according to different data business requirements. The model based on Spark framework is compared, analyzed and improved. Ability to present results: The report can reflect the advantages of big data analysis, clearly explain the data collection, big data processing process and the interpretation of the final results, and at the same time propose the optimization and improvement of the model, thus enhancing the commercial value of big data analysis.