sas and spss

SPSS (Statistical Product and Service Solutions), "Statistical Product and Service Solutions" software. Originally, the full name of the software was "Solutions Statistical Package for the Social Sciences", but with the expansion of SPSS product service areas and the increase in service depth, SPSS officially changed the full English name to "Statistical Products" in 2000. and service solutions”, which marks a major shift in the strategic direction of SPSS. SPSS is a general term for a series of software products and related services for statistical analysis operations, data mining, predictive analysis and decision support tasks launched by IBM, with versions for Windows and Mac OS X.

SAS (Statistical Analysis System) is a modular and integrated large-scale application software system.
sas8.1 installation interface
sas8.1 installation interface
It consists of dozens of special modules, including data access, data storage and management, application development, graphics processing, data analysis, report preparation, operations research methods, econometrics and forecasting etc.
SAS system can be basically divided into four parts: SAS database part; SAS analysis core; SAS development and presentation tools; SAS support for distributed processing mode and its data warehouse design.

The SAS system mainly completes four data-centric tasks: data access; data management (the data management function of sas is not very good, but the data analysis ability is strong, so Microsoft's products are often used to manage data, and then import it into the SAS data format. ．Pay attention to the use with other software); data presentation; data analysis. The current (2012) highest version of the software is SAS9.3. The Base SAS module is the core of the SAS system. All other modules run in the environment provided by Base SAS. The user can select the required modules to form a customized SAS system together with the Base SAS