On 02/06/2015 05:32 AM, Jason Sanchez wrote: > This is a very common calculation, you will find it at all of these places > (but only with one standard deviation): > http://scikit-learn.org/stable/auto_examples/randomized_search.html > http://nbviewer.ipython.org/github/gmonce/scikit-learn-book/blob/master/Chapter%202%20-%20Supervised%20Learning%20-%20Image%20Recognition%20with%20Support%20Vector%20Machines.ipynb > http://youtu.be/iFkRt3BCctg?t=33m25s > > I would presume that standard deviation is multiplied by two because the > author of the example wanted to create confidence intervals based on two > standard deviations. Technically, if they multiplied it by 1.96, then they > would approximate the famous 95% confidence interval better, but 2 standard > deviations is often used for simplicity. > > http://en.wikipedia.org/wiki/1.96 I'm pretty sure that is the intent, and git blame shows me as responsible: https://github.com/scikit-learn/scikit-learn/commit/f4fe3fdc7b2a881c8bc5774b3249af97f89d771c It used to be /2 lol: https://github.com/scikit-learn/scikit-learn/issues/1940
Anyhow, the comment above is misleading. Fixing now. ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
