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@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 ______________________________________________ R-help@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.