Statalist The Stata Listserver

[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

st: RE: decimal years origins

From   "Nick Cox" <>
To   <>
Subject   st: RE: decimal years origins
Date   Fri, 11 Aug 2006 20:24:43 +0100

The rationale for decimal years is simplicity!


Caleb Southworth
> I'm working on discovering how the data were coded into 
> decimal years. The
> dataset is quite old and the code with it looks like SAS. Using the
> fraction of day elapsed seems reasonable, if complicated, but 
> as Austin
> pointed out these fractions don't neatly correspond to the 
> number of days.
> I will report back.
> Does anyone know the rationale for using decimal years? From web
> searching, it seems like a convention from astronomy.

*   For searches and help try:

© Copyright 1996–2015 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index