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Hi all, I recently updated my Rstudio to the newer version (Version 1.0.136) and I started to getting following error when I am trying to read netcdf files Error in R_nc4_open: NetCDF: DAP server error Any...

I have 4-dimension array x(lat,lon,time,var) I am using "apply" to calculate over time new = apply(x,c(1,2,4),FUN=function(y) {length(which(y>=70))}) This is very slow. Is there anyway make...

Hi all, I would like to access and subset following OpeNDAP files. server: http://nomads.ncdc.noaa.gov/thredds/dodsC/modeldata/cfsv2_forecast_ts_9mon/2014/201404/20140403/2014040312/ file name: tmax.01.2014040312.daily.grb2 <http://nomads.ncdc.noaa...

Hi I am trying to read a grib2 file in R. Here is my script library(rgdal) library(sp) library(rNOMADS) gribfile<-"tmax.01.2011040100.daily.grb2" grib <- readGDAL(gribfile) I am getting following error : dec_jpeg2000: Unable to open...

Hi all, I am new in R. I am trying to panel spplot and hist. spplot(hspdf, "CDP", col = "white", col.regions = blue2red(20), sp.layout = list(l2), at = seq(1,10,1), colorkey = list(space = "bottom", labels = list(labels...

Hi All, I have downloaded single file from the web using following scripts gribfile<-" http://nomads.ncdc.noaa.gov/thredds/ncss/grid/modeldata/cfsv2_forecast_ts_9mon/2011/201104/20110401/2011040100/tmax.01.2011040100.daily.grb2?north=47.0126&west...

Hi ALL, I have a script to plot hexagonal polygon on a map. Its a static map. I used spplot. I would like to convert this plot to interactive plot using " *leaflet*". How do I make it interactive plot? Here...

Hi all, I am using spplot for a spatial map. spplot(hspdf, "CDP", col = "white", col.regions = blue2red(20), sp.layout = list(l2), at = seq(1,10,1), colorkey = list(space = "bottom", labels = list(labels = paste(seq(1,10,1...

Hi all, I am using spplot for a spatial map. spplot(hspdf, "CDP", col = "white", col.regions = blue2red(20), sp.layout = list(l2), at = seq(1,10,1), colorkey = list(space = "bottom", labels = list(labels = paste(seq(1,10,1...

Hi all, I am using Rstudio version 0.99.491. I am trying install "mapview" package. install.packages("mapview") I receive following error message configure: error: Cannot compile a simple JNI program. See config.log for details. Make sure you...

Hi Everyone, Thanks for your help. It works. I have similar problem when I am calculating number of spell. I am also calculation spell (definition: period of two or more days where x exceeds 70) using similar way: *new = apply...

Hi Roy, Thanks for your response. I have tried according your suggestion but it doesn't work. the OPeNDAP link of the data http://nomads.ncdc.noaa.gov/thredds/dodsC/modeldata/cfsv2_ forecast_ts_9mon/2014/201404/20140403/2014040312/ datafile...

Hi Roy, Thanks for your help. It works perfectly. if I am trying to read multiple files similar ways, how do I do that? with regards -Deb On Fri, Sep 30, 2016 at 5:53 PM, Roy Mendelssohn - NOAA Federal...

Thanks for your response. It is faster than before but still very slow. Any other suggestion ? -Deb On Sun, Jul 10, 2016 at 2:13 PM, William Dunlap <wdunlap at tibco.com> wrote: > There is no need to test that...

Hi Now I am using netcdfSubset and I am able to download the file but not sure how to read the files. here my scripts library("ncdf4") gribfile<-" http://thredds.ucar.edu/thredds/ncss/grib/NCEP/GFS/Pacific_40km/best...

Thanks for your suggestion. I have checked and I don't have JPEG2000 in ggdalDrivers()). I am pretty new in R. I don't understand how to do I implement JPEG2000 (JP2OpenJPEG driver) in gdalDrivers() so that I can read...

Thanks so much Roy. It works. Thanks Jeff for all your help. As a part of NCAR Command Language help group, I was only concern about the first response I received from this help group which will discourage new user...

Hi Jeff, Thanks for your detail response but I am really baffled by this sort of response from a help group because I am also a part of a help group (NCAR-Command Language). Anyway I felt its R/Rstudio...

Hi Mike, Thanks again. I am using Mac OS Here is the required info > sessionInfo() R version 3.2.4 (2016-03-10) Platform: x86_64-apple-darwin13.4.0 (64-bit) Running under: OS X 10.11.6 (El...