i think if you do: coord$time<-YOURTIMEVECTOR
should work and the new vector is put correctly in the data slot. Maybe also coord@data$time<-YOURTIMEVECTOR On Wed, Mar 14, 2012 at 01:39:20PM +0100, Marco Smolla wrote: > Hej hej, > is there a way to extend the SpatialPointsDataFrame data slot?This is the > structure of an object of it:> str(coord) > Formal class 'SpatialPointsDataFrame' [package "sp"] with 5 slots > ..@ data :'data.frame': 214 obs. of 2 variables: > .. ..$ location.long: num [1:214] -79.8 -79.8 -79.8 -79.8 -79.8 ... > .. ..$ location.lat : num [1:214] 9.16 9.16 9.16 9.16 9.16 ... > ..@ coords.nrs : num(0) > ..@ coords : num [1:214, 1:2] -79.8 -79.8 -79.8 -79.8 -79.8 ... > .. ..- attr(*, "dimnames")=List of 2 > .. .. ..$ : NULL > .. .. ..$ : chr [1:2] "location.long" "location.lat" > ..@ bbox : num [1:2, 1:2] -79.84 9.16 -79.84 9.17 > .. ..- attr(*, "dimnames")=List of 2 > .. .. ..$ : chr [1:2] "location.long" "location.lat" > .. .. ..$ : chr [1:2] "min" "max" > ..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slots > .. .. ..@ projargs: chr NA > data is a data.frame including the information of long and lat location. I > would like to have there a third information: time (but as POSIXct). Is there > an elegant way to do this? > Best, > marco > [[alternative HTML version deleted]] > ______________________________________________ > 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. -- :: Igor Sosa Mayor :: joseleopoldo1...@gmail.com :: :: GnuPG: 0x1C1E2890 :: http://www.gnupg.org/ :: ______________________________________________ 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.
