Disqus - Latest Comments for hadley

Re: Statistical Analysis and A/B Testing

jfarmer — Sun, 16 Nov 2008 12:55:48 -0000

"The conversion rate for each treatment approximates a normally distributed random variable" is more correct.

Re: Statistical Analysis and A/B Testing

hadley — Sun, 16 Nov 2008 10:40:34 -0000

"The conversion rate for each treatment is a normally distributed random variable" - are you sure??

Re: Statistical Analysis and A/B Testing

hadley — Sun, 16 Nov 2008 10:39:32 -0000

If you're going to use R, why not actually use the appropriate test - in this case it would be prop.test() for testing the different between two proportions.

Re: idea: a machine that eats dirt and prints roads

hadley — Tue, 02 Sep 2008 22:58:09 -0000

See http://www.youtube.com/watch?v=f28_zrU0X4A for the complete set up ;)