Is there a way to have conditional markdown chunk execution in Rmarkdown?

Question

I am an instructor looking to make a homework assignment and homework solution guide from the same Rmarkdown file by changing a document parameter I created called sol

Answer 1

I was able to build off this answer to make something that doesn't use a latex package (though I'm generating HTML slides, so that might be why this works).

Where you want the commenting out to begin, just add: `r if(params$soln) {""}`

This didn't require me editing any of the thus-contained code blocks for conditional execution or anything else like that. Hope this helps someone!