1:Although Excel has a built-in data analysis module, it is not a professional data statistical analysis software after all, and its functions are much limited.

2. Of course, most of our usual data analysis work, whether it is course requirements or graduation thesis, may be more accustomed to using professional Eviews, SPSS, Stata, Minitab, and even the great gods of econometrics are using SAS, MATLAB or R language and Python language.

3. Two excel data analysis plug-ins recommended to you today have small memory and built-in excel toolbar, which can be used at any time, only containing common functions and simple interface.

4. The first 6SQ statistical data was developed by a domestic company named Six Sigma. Mainly used for quality management, but commonly used statistical functions and data analysis modules are available. There are two versions of A * * *: development version (fee) and personal version (free). After the trial, the functions of the two versions are not much different.