tag:blogger.com,1999:blog-6894866515532737257.post6604933760384377040..comments2017-05-25T05:26:39.247-07:00Comments on Probably Overthinking It: Last batch of notebooks for Think StatsAllen Downeyhttps://plus.google.com/111942648516576371054noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6894866515532737257.post-56785656768293897892017-01-18T21:13:56.190-08:002017-01-18T21:13:56.190-08:00Why is it that when calculating the variance in Ka...Why is it that when calculating the variance in Kaplan Meier survival curves, the underlying distribution of the population is not taken into account--only the number at risk is? This is counter-intuitive. The only references are to a report by Greenwood in 1926 which doesn't really seem to answer the question.Mark Phillipshttp://www.blogger.com/profile/03120283972507328308noreply@blogger.com