3.22.3 Can you answer these questions?

3.22.3.1 Create design with vertically content-spanning rotated headers
3.22.3.2 Can someone help me to produce this flow diagram in LaTeX?
3.22.3.3 Request: LaTeX packages supported by knitr+RStudio

Can you answer these?

3.22.3.1 Create design with vertically content-spanning rotated headers

https://tex.stackexchange.com/questions/377311/create-design-with-vertically-content-spanning-rotated-headers

You're dealing with a complete LaTeX noob here, so please be gentile ;)  I'm trying to typeset a particular lay-out, but I've not been able to get the desired result so far.  My previous attempt was  ...
 
- asked by Carl Colijn 2votes
3.22.3.2 Can someone help me to produce this flow diagram in LaTeX?

https://tex.stackexchange.com/questions/377297/can-someone-help-me-to-produce-this-flow-diagram-in-latex

What I have done so far is nowhere near what I want: 
\documentclass[12pt]{article} 
\usepackage[utf8]{inputenc} 
\usepackage{graphicx} 
\usepackage{tikz} 
\usetikzlibrary{shapes,arrows} 
...
                                                                                  

                                                                                  
 
- asked by hlosukwakha 5votes
3.22.3.3 Request: LaTeX packages supported by knitr+RStudio

https://tex.stackexchange.com/questions/376994/request-latex-packages-supported-by-knitrrstudio

Question: Is there a list anywhere of R packages which work with knitr+RStudio? 
(Note: I already changed RStudio's defaults to use xeLaTeX and knitr instead of PDFLaTeX and Sweave, since my default  ...
 
- asked by Chill2Macht 1vote