This is a foreign statistical analysis tool, because it has appeared for a long time, and now it has basically formed a tacit understanding, which is based on it, but in fact, there is no difference between SPSSAU and SPSS in essence. To put it bluntly, they are all statistical tools used to process and analyze data.
Since a better and more convenient tool has been created, which can lower the threshold of data analysis and improve the efficiency of data analysis, it is natural to be accepted and used.