What foundation is needed for python data analysis?

#What foundation is needed for python data analysis?

1. SQL (database), we all know that data analysts process massive amounts of data every day, and these data come from the database, so how do you get data from the database? How to establish the relationship between two tables and three tables? How to get the specific data you want? These data selection issues are your first consideration, and these issues are all solved through SQL, so SQL is the most basic skill for data analysis;

2. Basics of statistics, the prerequisite for data analysis To be aware of data, how to collect data? What is the overall distribution of the data? If there is a time dimension, how does it change over time? What is the average of the data? What do the maximum and minimum values ​​of data mean? Data correlation and regression, time series analysis and prediction, etc.;

3.Python data analysis definitely requires the foundation of Python language. This is a must-have item, and it is a must-have item in the direction of data mining. Comparing languages Tools are more flexible and practical.

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