Re: [R] How to remove all objects except a few specified objects?

a <- 1 b <- 2 c <- 3 ls()[-a] # set minus to all the objects you want to retain rm(list = ls()[-a] # will remove all the objects - except a ls() # presto -- View this message in context: http://r.789695.n4.nabble.com/How-to-remove-all-objects-except-a-few-specified-objects-tp2335651p233620

Re: [R] reading dates in Excel into R

I sometimes had trouble importing data that was exported from Excel. Exporting through OpenOffice sometimes resolved the issue. -- View this message in context: http://r.789695.n4.nabble.com/reading-dates-in-Excel-into-R-tp2306830p2311374.html Sent from the R help mailing list archive at Nabble.

Re: [R] reading dates in Excel into R

Does function ?strptime help you in any way? -- View this message in context: http://r.789695.n4.nabble.com/reading-dates-in-Excel-into-R-tp2306830p2307744.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing l

Re: [R] Mask grid in R

raster package can do that. see ?polygonsToRaster and the vignettes of the same package. -- View this message in context: http://r.789695.n4.nabble.com/Mask-grid-in-R-tp2301703p2302057.html Sent from the R help mailing list archive at Nabble.com. __ R

Re: [R] Creating a map .

raster package may be what you're looking for. -- View this message in context: http://r.789695.n4.nabble.com/Creating-a-map-tp2301972p2302053.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://s