I have deleted most comments on this page to make the page easier to follow for newcomers. The large number of intertwined answers/comments made the guide hard to follow.
Regular readers will see only the relevant posts. The deleted content is still visible to moderators.
I think this answers my question as well. Also, because I find this helpful, I will thank this person by up-voting their answer. To do this, I click on the green check mark to accept answer (as I did here) and also the green thumbs-up (seen above the green check-mark in the same image) to up-vote the answer.
Anyone can post comments that enhance discussion, even after a question has been answered. For instance, I forgot to mention that if the question involves code, providing a small reproducible example is extremely helpful. Here is an example of how to do it for R.
Frequently when formulating a question and writing it down with the reproducible code, I have figured out the answer by myself.
I find this answer helpful. It addresses the question and answers it. I will accept it as an answer to my question. How do I do that?
Click on the pale green check mark (highlighted in the image)
You're done :)
Remember, you can accept multiple answers, as long as they provide valid solution to your top level problem. Accepting an answer is your single most important contribution to the community, as it helps others that face the same problem you did.
Eric Normandeau's post on this is the best overview IMO.
I have deleted most comments on this page to make the page easier to follow for newcomers. The large number of intertwined answers/comments made the guide hard to follow.
Regular readers will see only the relevant posts. The deleted content is still visible to moderators.