Text Mining

(1) 第一个是pdf，第二个是youtube教程。貌似主要命令是proc hptmine

Enabling High-Performance Text Mining - SAS

https://support.sas.com/.../Tips-High-Performance-Text-Min...

SAS Institute

HPTMINE and HPTMSCORE. This option allows for high performance execution usingSAS® code specification. Both of these high performance text mining  ...

SAS® High-Performance Text Mining - YouTube
▶ 12:23▶ 12:23
www.youtube.com/watch?v=k5ydJXWf6Ug



Oct 23, 2013 - Uploaded by SAS Software
Alan Zhao, in the Analytics Product Management department atSAS, show how to handle very large problems ...

(2) Leone的主页，关于Perl和SAS macro运用

Perl Resources - University of Miami
https://sbaleone.bus.miami.edu/PERLCOURSE/Perl_Resources.html



Andy Leone's Perl Page. Below are some programs for, among other things, downloading and extracting data from Edgar using Perl. If you are new to Perl, there ...

有关于Event study算简单的median, mean, std
也有winsorize的macro版本。
各种抓东西的perl程序。

(3) 琳娜给了一个简单的SAS search code

http://www.ats.ucla.edu/stat/sas/faq/index_function.htm

(4) Eric给了一个R的文本

Hands-On Data Science with R Text Mining - One Page R

onepager.togaware.com/TextMiningO.pdf

Nov 5, 2014 - Data Science with R. Hands-On. Text Mining. 1 Loading a Corpus. A corpus is a collection of texts, usually stored electronically, and from which ...

可以总结词汇，成为一个word cloud。用R语言，好神奇！