by Patrick Burns.
Abstract: A recent Barron’s article examined the efficacy of stock recommendations on the television show Mad Money. Statistical analyses of stock recommendations are scrutinized here in detail, and a powerful analysis using random portfolios is suggested. Differences between simple returns and log returns are discussed, as is the usefulness of the statistical bootstrap. The cost to individuals of trading stocks can easily overwhelm even quite good recommendations.
jun 25, 26
Programmers think programming is really hard. Non-programmers think it’s even harder than that. Figure 1: The perceived difficulty of programming. Why is programming so arduous? […]
jun 25, 26
Coordinates: 2014 September 15-17 in the London borough of #rstats. 15th, evening I had just the right number of R bugs so that I could walk to the drinks and arrive [...]
jun 25, 26
Navigation gets you from where you are to where you want to be. Speaking of navigation, you can jump to selected sections of this post: Navigation; R-bloggers; Task views; Rdocumentation.org; [...]