{"action":"created","issue":{"url":"https://api.github.com/repos/pearselab/r-intro-Wolflab/issues/2","repository_url":"https://api.github.com/repos/pearselab/r-intro-Wolflab","labels_url":"https://api.github.com/repos/pearselab/r-intro-Wolflab/issues/2/labels{/name}","comments_url":"https://api.github.com/repos/pearselab/r-intro-Wolflab/issues/2/comments","events_url":"https://api.github.com/repos/pearselab/r-intro-Wolflab/issues/2/events","html_url":"https://github.com/pearselab/r-intro-Wolflab/issues/2","id":184641108,"number":2,"title":"Exercise set 2 - feedback (I am slow)","user":{"login":"Wolflab","id":2801920,"avatar_url":"https://avatars.githubusercontent.com/u/2801920?v=3","gravatar_id":"","url":"https://api.github.com/users/Wolflab","html_url":"https://github.com/Wolflab","followers_url":"https://api.github.com/users/Wolflab/followers","following_url":"https://api.github.com/users/Wolflab/following{/other_user}","gists_url":"https://api.github.com/users/Wolflab/gists{/gist_id}","starred_url":"https://api.github.com/users/Wolflab/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Wolflab/subscriptions","organizations_url":"https://api.github.com/users/Wolflab/orgs","repos_url":"https://api.github.com/users/Wolflab/repos","events_url":"https://api.github.com/users/Wolflab/events{/privacy}","received_events_url":"https://api.github.com/users/Wolflab/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":17,"created_at":"2016-10-22T16:53:43Z","updated_at":"2016-10-25T14:16:26Z","closed_at":null,"body":"Will: Some stream of consciousness feedback on exercise 2. \r\n\r\nI read through the lesson. All made sense (except the very last bit on invisible return)\r\n\r\nI started on the exercise. First two were quick. I have now spent an hour on the prime number problem, which really should be easy. What has been taking more time than anything is trying to understand the curly brackets {not used them before}. So I am always trying to fix them and get rid of the error messages to make them work (and even then, as you can see \"is prime\" is not where I want it. I gave myself a one hour limit. The problem is that I am just trying to debug the curly brackets rather than the actual algorithm (which I suspect has a problem). Google is getting some great stuff on advanced use of braces, not not yet found a good source of beginners and/or dummies.\r\n\r\nI just did a quick a dirty in Python. I think it works. \r\n\r\nI do like how the questions build on each other. But the downside is that if you get stuck on a question, it is hard to move on.\r\n\r\nSunday morning. Moving long OK. Helped when I switched over to writing the code in a text editor. I think I was having trouble trying to learn syntax while RStudio was burying me in error messages. As a result, I am getting a bit closer to understanding the curly braces. I am sure that as soon as you cover it in lecture it will make sense. I just need the link from syntax to semantics, so I know WHY I am doing things. Overall I think the exercise is challenging, but not over the top."},"comment":{"url":"https://api.github.com/repos/pearselab/r-intro-Wolflab/issues/comments/256047322","html_url":"https://github.com/pearselab/r-intro-Wolflab/issues/2#issuecomment-256047322","issue_url":"https://api.github.com/repos/pearselab/r-intro-Wolflab/issues/2","id":256047322,"user":{"login":"Wolflab","id":2801920,"avatar_url":"https://avatars.githubusercontent.com/u/2801920?v=3","gravatar_id":"","url":"https://api.github.com/users/Wolflab","html_url":"https://github.com/Wolflab","followers_url":"https://api.github.com/users/Wolflab/followers","following_url":"https://api.github.com/users/Wolflab/following{/other_user}","gists_url":"https://api.github.com/users/Wolflab/gists{/gist_id}","starred_url":"https://api.github.com/users/Wolflab/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Wolflab/subscriptions","organizations_url":"https://api.github.com/users/Wolflab/orgs","repos_url":"https://api.github.com/users/Wolflab/repos","events_url":"https://api.github.com/users/Wolflab/events{/privacy}","received_events_url":"https://api.github.com/users/Wolflab/received_events","type":"User","site_admin":false},"created_at":"2016-10-25T14:16:26Z","updated_at":"2016-10-25T14:16:26Z","body":"rbinom(1, 100, .1)  Yes. Then I was dividing (or trying to divide) by the number of sites to get the probability of presence. I still don't understand rbinom(100, 1, .1). That doesn't work for me when I try to think about tossing a coin."}}
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