tag:blogger.com,1999:blog-2198942534740642384.post2252327651100697827..comments2023-10-24T03:16:41.009-07:00Comments on Econometrics Beat: Dave Giles' Blog: Sums of Random VariablesDave Gileshttp://www.blogger.com/profile/05389606956062019445noreply@blogger.comBlogger6125tag:blogger.com,1999:blog-2198942534740642384.post-17394086797199860982013-02-18T01:07:54.663-08:002013-02-18T01:07:54.663-08:00Ah, now I see what is actually happening. Thanks!Ah, now I see what is actually happening. Thanks!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2198942534740642384.post-22205420185464237312013-02-18T01:03:14.065-08:002013-02-18T01:03:14.065-08:00Blogger scrambled the R code! I think it will make...Blogger scrambled the R code! I think it will make more sense now. Thanks for alerting me.Dave Gileshttps://www.blogger.com/profile/05389606956062019445noreply@blogger.comtag:blogger.com,1999:blog-2198942534740642384.post-74907016947136480822013-02-18T00:51:14.053-08:002013-02-18T00:51:14.053-08:00What exactly are you doing in R here? It seems lik...What exactly are you doing in R here? It seems like you are using a very interesting way of programming in R, but I can not get it to run. How does this work?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2198942534740642384.post-1817278706413667872013-02-02T19:43:53.215-08:002013-02-02T19:43:53.215-08:00As an Econ undergrad and grad student I met very f...As an Econ undergrad and grad student I met very few distributions myself. In fact, at one point I was riding in a car with two profs and one sneakily shot out the question "How is the ratio of two normally distributed variables distributed?" I just sort of said "Uuuuuuh" until the other one jumped on it with "Cauchy Distribution". I continued to sit there with a vacant expression on my face because I had no idea how this could be valuable information now or in the future. <br /><br />Fast forward to when I am explaining to undergraduates that the ratio of two chi-square distributed variables divided by their degrees of freedom is an F-distribution and I see the very same faces I made during that car ride. Meeting the distribution isn't the issue, it's seeing when you could use this information, which is difficult. Dannoreply@blogger.comtag:blogger.com,1999:blog-2198942534740642384.post-55033854165892285152013-01-19T21:19:43.770-08:002013-01-19T21:19:43.770-08:00I'm using P. Newbold, W. L. Carlson & B. T...I'm using P. Newbold, W. L. Carlson & B. Thorne, "Statistics for Business and Economics", 7th ed., 2010, or 8th ed., 2013, Prentice Hall. It's an Economics Statistics course, so we're using EViews for the exercises, lab. classes, etc.<br />Dave Gileshttps://www.blogger.com/profile/05389606956062019445noreply@blogger.comtag:blogger.com,1999:blog-2198942534740642384.post-65477661031969383782013-01-19T17:44:51.650-08:002013-01-19T17:44:51.650-08:00I would like to know the textbook you're using...I would like to know the textbook you're using and whether the student's are required to do a lot of exercises using R or any other software? Anonymousnoreply@blogger.com