rNOMAD package

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rNOMAD package

Philip
Daniel Bowman wrote a wonderful package to access National Weather Service data with R.

Unfortunately I stuck trying to download archived Rapid Update Forecasts (RAP) going back into 2016.  I have been poking around on the Internet for days but keep getting recycled to three or four websites that assume a certain level of background knowledge that I don’t have.  It has something to do with OPenDAP (Data Access Protocol) which is a piece of software to grab data over the Internet.

Can someone give me some direction?

Thanks,
Philip
        [[alternative HTML version deleted]]

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Re: rNOMAD package

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Hi Philip:

Both 'ncdf4' and 'Rnetcdf' should be able to download data using OPeNDAP.  That the package is using OPeNDAP is transparent to the user,  other than the fact that the "file" is an URL.  Extracts are just like reading a netCDF file using these packages,  so you may have to spend some time learning how to do that.

It is possible that 'tidnyNC' can also do OPeNDAP,  I am just not certain that.

-Roy

> On Aug 13, 2020, at 8:59 AM, Philip <[hidden email]> wrote:
>
> Daniel Bowman wrote a wonderful package to access National Weather Service data with R.
>
> Unfortunately I stuck trying to download archived Rapid Update Forecasts (RAP) going back into 2016.  I have been poking around on the Internet for days but keep getting recycled to three or four websites that assume a certain level of background knowledge that I don’t have.  It has something to do with OPenDAP (Data Access Protocol) which is a piece of software to grab data over the Internet.
>
> Can someone give me some direction?
>
> Thanks,
> Philip
> [[alternative HTML version deleted]]
>
> ______________________________________________
> [hidden email] mailing list -- To UNSUBSCRIBE and more, see
> 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.

**********************
"The contents of this message do not reflect any position of the U.S. Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
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110 McAllister Way
Santa Cruz, CA 95060
Phone: (831)-420-3666
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e-mail: [hidden email] www: https://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected"
"the arc of the moral universe is long, but it bends toward justice" -MLK Jr.

______________________________________________
[hidden email] mailing list -- To UNSUBSCRIBE and more, see
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.