I am new to XML, and am trying to understand the XML documentation that relates to my sample – what’s in it, and how I get it out. I have been pouring over my documentation with the XML file text and the related DDI text in one hand and an “XML for dummies” book in the other. I’ve been trying to understand what I am seeing, thinking I can pull what I want out of it with the R “XML” package or, if worst comes to worst, with regular expressions.
I’m know that eyeballing this stuff is not how it is intended to be used. Could you just give me the view from a great height of how these files are most often used by the typical user that uses them: how they view the information, or hand it to some automated proxy, using what software, etc.? I’ve known for a long time that I need to learn this, but I’m a little lost. If you could give me just a paragraph or two of guidance and overview, or point me to where it already exists on your site, I would be most grateful.
You folks rock. Thanks! —Andrew