Marco, Always post to the r-help list to have a better chance of finding someone that can help.
There is a very nice tutorial that you should have found. See http://geog.uoregon.edu/bartlein/courses/geog490/week04-netCDF.html#create-and-write-a-netcdf-file Mark R. Mark Sharp, Ph.D. Data Scientist and Biomedical Statistical Consultant 7526 Meadow Green St. San Antonio, TX 78251 mobile: 210-218-2868 rmsh...@me.com > On Aug 28, 2018, at 8:26 AM, R. Mark Sharp <rmsh...@me.com> wrote: > > Marco, > > You will need to ask the list. I have never worked with .nc files. > > Most are wanting to go the other direction .nc to .csv or dataframe. Google > search with “.nc file in r”. > > R. Mark Sharp, Ph.D. > Data Scientist and Biomedical Statistical Consultant > 7526 Meadow Green St. > San Antonio, TX 78251 > mobile: 210-218-2868 > rmsh...@me.com > > > > > > > > > > > >> On Aug 27, 2018, at 10:12 AM, Marco Antonio Pérez <marko.lun...@gmail.com> >> wrote: >> >> Hello Mark: >> >> I appreciate your sopport in this subject. But now, I need your help again, >> please. >> I wondering if you know how to transform a .csv file to .nc file_ >> >> Thanks a lot!! >> >> 2018-08-10 17:08 GMT-03:00 R. Mark Sharp <rmsh...@me.com>: >> Marco, >> >> The error message indicates that nlon*nlat is 420 and that 1378620/420 has a >> remainder. For the matrix to form, all rows have to be complete. >> >> I am guessing you have at least one value incorrect among nlon, nlat, t or >> the length of fulldatav. >> >> Mark >> R. Mark Sharp, Ph.D. >> Data Scientist and Biomedical Statistical Consultant >> 7526 Meadow Green St. >> San Antonio, TX 78251 >> mobile: 210-218-2868 >> rmsh...@me.com >> >> >> >> >> >> >> >> >> >> >> >>> On Aug 10, 2018, at 10:00 AM, Marco Antonio Pérez <marko.lun...@gmail.com> >>> wrote: >>> >>> I am trying to write a function to make a matrix of precipitation with >>> this secuencie; >>> ######## PRIMER PERIODO >>> cordex1 <- >>> nc_open("pr_CAM-44i_ICHEC-EC-EARTH_rcp45_r12i1p1_SMHI-RCA4_v1_mon_200601-201012.nc") >>> fullmon1<-ncvar_get(cordex1,"pr") >>> lat<-ncvar_get(cordex1,"lat", start=c(35.5),count=c(20)) >>> lon <-ncvar_get(cordex1,"lon", start=c(125),count=c(21.5)) >>> t <- ncvar_get(cordex1,"time") >>> nlon <- dim(lon) >>> nlat <- dim(lat) >>> nt <- dim(t) >>> fulldatav <- as.vector(fullmon1) >>> fulldata <- matrix(fulldatav, nrow=nlon*nlat, ncol=nt) >>> lonlat <- expand.grid(lon,lat) >>> df_cordex1<- data.frame(lonlat,fulldata) >>> >>> but with the expresion fulldata <- matrix(fulldatav, nrow=nlon*nlat, >>> ncol=nt) this error appears >>> Warning message: >>> In matrix(fulldatav, nrow = nlon * nlat, ncol = nt) : >>> data length [1378620] is not a sub-multiple or multiple of the number of >>> rows [420] >>> >>> Somebody help me!!! >>> >>> [[alternative HTML version deleted]] >>> >>> ______________________________________________ >>> R-help@r-project.org 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. >> >> > ______________________________________________ R-help@r-project.org 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.
