4 ms·
I find it surprising that you are more likely to be born upon the 29th of Febuary than the 25th of December.
by Zenst 9y ago
I find it surprising that you are more likely to be born upon the 29th of Febuary than the 25th of December.
- burnte 9y agoI noticed that too. And you can see the artifacts of inducing labor before Christmas, New Years, July 4, etc.
- mikeash 9y ago9/11 has a small but noticeable dip compared to the surrounding dates. I wonder if that's people avoiding it or if it's just coincidence.
- nikanj 9y agoIn the generation that's having kids now, many have a friend whose birthday is 9/11. And they saw that friend suffer through their teens, never feeling right to party on their birthday. It doesn't surprise me they don't want their kid to experience the same.
- jcranmer 9y agoYou aren't. If you drill into the data, the values for each day is AVG(#birth on 1994-MM-dd, 1995-MM-dd, etc., 2014-MM-dd). For 02-29, the cells for, say, 2001-02-29 doesn't exist, so it's merely AVG(1996-02-29, 2000-02-29, 2004-02-29, 2008-02-29, 2012-02-29). (This is conjecture as to how the researcher computed the numbers from the raw data tables, but the wording of the summary suggests this is the algorithm).
- ekianjo 9y agoWhy not do a frequentist approach compared to the population of all the data collected for birthdays? It would be much more accurate, since 02-29 would then appear to be very much an exception.
- empressplay 9y agoThe 2/29 average is on the years upon which the day occurs. It really should be divided by 4 (and make it the most rare birthday)