[R] daylight

[David Winsemius]

On Oct 23, 2012, at 12:45 PM, bambus wrote:

> hi there,
> does anyone know how to calculate the amount of daylight on every day of the
> year in R? I mean the time between sunrise and sunset.

http://www.esrl.noaa.gov/gmd/grad/solcalc/sunrise.html

This should explain why you are posing an underdetermined problem.

--
> 
> View this message in context: http://r.789695.n4.nabble.com/daylight-tp4647213.html
> Sent from the R help mailing list archive at Nabble.com.
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
Alameda, CA, USA