[michaelmior]

While it's true that fractional ages are pretty much never used, ages do not necessarily have to be recorded as whole numbers.

[LionessLover]

Since few people will find it, the response on the web page is

https://medium.com/@jamesheathers/a-lot-of-people-are-hung-u...

> A lot of people are hung up the fact that it’s possible to collect ages in finer grains — to the nearest month, or day, etc.

> Remember a) this is just a hypothetical illustration and b) the vast majority of the time, age is collected exactly how I’ve described here.

[moyix]

A more practical problem with applying this on age data specifically is that everyone I looked at (granted, only a handful of CS papers) only gave one decimal place, not two.