What are the basic requirements for big data posts?

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　　 Basic requirements of big data post : Talking about big data , Of course, analysis software is indispensable , This should be the basis for big data work , But there are many kinds of analysis software on the market , If you don't have any experience , It's really hard to find what's right for you or for your business . The author through each big enterprise to big data related profession position request , To sum up the following points ：

　　(1) SQL Basic operation of database , Basic data management

　　(2) Will use Excel/SQL Basic data analysis and display

　　(3) In script language 、 Python or R Data analysis

　　(4) Be able to access external data , Like reptiles

　　(5) Basic data visualization skills for writing data reports

　　(6) Familiar with common data mining algorithms ： regression analysis , Decision tree , Random forests , Support vector machine, etc

　　 In terms of big data learning , Generally, we learn the basics first , Learn the theory again , Finally, the tools . Fundamentally speaking , Learning every language is in this order .

　　 Learn the basics of data analysis , Including probability theory , mathematical statistics . We still need to master things like foundation , The foundation is not firm yet , Knowledge building is easy to fall .

　　 Have a certain theoretical knowledge of the target industry ; For example, financial , Learn about securities , Bank , All kinds of knowledge such as finance , Otherwise, when you arrive at the enterprise, you will be confused .

　　 Learning data analysis tools , The software is combined with the practical application of the case , About the data analysis mainstream software from easy to difficult ： Excel, SPSS, stata, R, Python, SAS etc. .

　　 Learn how to use these software , And then we use software to start with data cleaning , Step by step , analysis , Final output , Test and interpret data . Xinxiang infertility hospital :https://news.fh21.com.cn/yldt/zztlyy/ Zhengzhou Tongji Hospital Evaluation :https://yyk.fh21.com.cn/hospital_6369/pj.html How about Zhengzhou Tongji Hospital :https://yyk.fh21.com.cn/hospital_6369/zn.html