CloseClose

Encyclopedia.com -- Online dictionary and encyclopedia of facts, information, and biographies
Close window

IFA.com - Sir Francis: Probability Machine, Galton Board, Randomness Simulator, Quincunx

http://IFA.com http://hebnermodel.com An explanation of how random beads falling through an assortment of pins, in the pattern of a quincunx, looks like monthly returns of IFA Index Portfolio 100 over 50 years, ending 2008. See http://ifa.com/portfolios/p100/ - IP100 is a simulated index portfolio, with data going back to Jan 1928. - The machine was named Francis, in honor of Sir Francis Galton who first created such a machine in 1873. (see http://www.ucl.ac.uk/museums/galton/statistics/quincunx.html ). Also see http://en.wikipedia.org/wiki/Bean_machine and http://en.wikipedia.org/wiki/Normal_distribution . Video is narrated by Mark Hebner. Also see http://www.ifa.com/Library/Support/Data/returnsandstandarddeviationsformodelportfolios.asp#histo also see Chart number 10 on that page.

For your enjoyment and convenience, YouTube videos are automatically associated with content at Encyclopedia.com. Because videos come directly from YouTube, we cannot endorse their accuracy, content, or quality. However, we hope you find them useful or entertaining while using Encyclopedia.com.

More YouTube videos About these videos