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这个是当初最开始学习用SAS的时候做的笔记,现在再次看到有点亲切和熟悉,初学者看书做笔记的感觉。。。

回过头看,这些非常基础的用法却是平时用的最多的代码。

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由于Hexo博客中的about页面默认是通过markdown渲染的,假如想用自定义的页面,比如HTML/CSS方式,那么该如何实现呢?

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Assume that you input a character string 20211109 with a sas format like yymmdd8. that specifies how sas must interpret the character string, you will get a numeric number 22593.

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This is reference to the "Chapter 8 A graphical compendium" in <SAS and R: Data Management, Statistical Analysis, and Graphics (second edition)>.

I believe that the capability of data science is more than just building predictive models, data visualization is also an integral part, especially in a convincing way.

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This is reference to the "Chapter 3 Statistical and mathematical functions", "Chapter 4 Programming and operating system interface" and "Chapter 5 Common statistical procedures" in <SAS and R: Data Management, Statistical Analysis, and Graphics (second edition)>.

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This is reference to the 2.3 section of Data management and 2.4 Date and time variables in <SAS and R: Data Management, Statistical Analysis, and Graphics (second edition)>.

在R中常说的数据集操作是指处理数据框类型的数据,当然有时也会是其他的数据类型。在SAS中就是数据集,SAS相比其他编程方法来说数据类型还是太少了。。

处理数据,常见的不外乎combination, collation, and subsetting

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我一直想找一个合适的方法来记录SAS的学习笔记,最好能结合以往的编程经验(如R or Python);我想到了当初学习Python的时候是根据实际需要,结合R/Perl的既往经验来互补学习,那么SAS也是可以这样。

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