[R-sig-Geo] Add +1 to current value of a cell in a raster in R

[Ben Tupper]

Hi Giacomo,

I am interested to know which you find fastest - perhaps you could let us know some timing results?

Thanks,
Ben

> On Jul 11, 2016, at 12:21 PM, Giacomo May <Giacomo_May94 at gmx.de> wrote:
> 
> Thanks for all the replies. In case anyone is interested, I asked the same question on stackexchange and got the following answer:
> 
> library(dplyr)
> cel <- data_frame(cell = vec)
> tab <- cel %>% group_by(cell) %>% summarize(val = n())
> ## update your raster
> r[tab$cell] <- tab$val
> 
> I will try the soultions you guys suggested as well, thanks a lot again !
> Best,
> Giacomo
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Ben Tupper
Bigelow Laboratory for Ocean Sciences
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