11.13.3 Can you answer these questions?

11.13.3.1 How to plot a bar graph of the averages of columns in a CSV file?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=737596

I feel like I'm missing something obvious here. I have a CSV file with several columns, each of which has several rows. Each row is a numerical value from 1 to 5. I want to plot a horizontal bar graph ... 
[pgfplots] [pgfplotstable] [bar-chart] [csv]
 

asked by modallyFragile https://tex.stackexchange.com/landing/r/digest?cta=user&id=238079 Score of 1

11.13.3.2 precompiled preamble dont work with tagpdf and documentmetadata

https://tex.stackexchange.com/landing/r/digest?cta=question&id=737737

I have to develop a process that creates pdf-ua2 and first of all I thank you and those who work with you for the wonderful work you are doing with the tagpdf library that I'm starting to use .... it'... 
[tagged-pdf] [tagpdf]
 

asked by marco marcucci https://tex.stackexchange.com/landing/r/digest?cta=user&id=380094 Score of 1

11.13.3.3 To command in Tikz not working together with \newcommand

https://tex.stackexchange.com/landing/r/digest?cta=question&id=737637

I'm very much a beginner to tikz, so this might be quite basic, but I'm having a problem where the \newcommand does not work together with tikz command, as the file failes to compile. The code which ... 
[tikz-pgf]
 

asked by Najonathan https://tex.stackexchange.com/landing/r/digest?cta=user&id=212791 Score of 4