However, it can take a long time to learn and understand data management in SAS and many complex data management tasks can be done using simpler commands in Stata or SPSS.

可是学习掌握SAS数据管理需要花费很长时间，而且许多复杂的数据管理任务在Stata或者SPSS中只需要用简单的命令即可完成。

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SPSS was better than SAS in testing of proportional hazards assumption, but in detecting the influential points SAS was better.

SAS和SPSS的诊断功能基本相近，比例风险假定的考察SPSS略优于SAS，影响点的识别SAS优于SPSS。

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Statistical tool companies, like SAS, SPSS etc. are good places to get the respective tool training.

FORBES: 3 Steps to Identify the Analytics Training You Need

The kids today are learning R and it will have the run for the next forty years that SAS and SPSS had for the last forty.

FORBES: Revolution in the Big Data and Business Landscape

Unlike early pioneers SAS and SPSS (now owned by IBM), Revolution Analytics fits the mold of other key new players in the big data world: it supports and sells the commercial version of an open-source product, built and nurtured over many years by a dedicated community of enthusiasts.

FORBES: Revolution in the Big Data and Business Landscape